Galaxies
Antlia 2 rivals the Large Magellanic Cloud in size but is a puzzle for theorists
Merging galaxy clusters provide natural laboratories for astronomers to study cosmic phenomena. Igone Urdampilleta from SRON Netherlands Institute for Space Research uses the merger Abell 3376 to study how electrons rush through...
Jairo Méndez Abreu and Adriana de Lorenzo-Cáceres, researchers at the Instituto de Astrofísica de Canarias (IAC), have discovered a peanut-shaped structure in the inner bar of a double-barred galaxy close to the Milky Way. Structures of this type, previously detected...
The Gaia satellite has spotted an enormous 'ghost' galaxy lurking on the outskirts of the Milky Way.
Galaxy clusters are some of the most massive objects that can be found in the Universe. A new image from the NASA/ESA...
An international team of scientists has carried out a comprehensive multi-wavelength study of one the merging galaxy clusters known as MACS J0417.5-1154. The research, available in...
astronomers find pairs of black holes at the centers of merging galaxies
For the first time, a team of astronomers has observed several pairs of galaxies in the final stages of merging together into single, larger...
Pegasus has some interesting galaxies and deep-space objects.
A team of astronomers led by Michael Koss of Eureka Scientific Inc. has observed several pairs of galaxies...
galaxy scale fountain seen in full glory
A billion light-years from Earth lies one of the universe's most massive structures, a giant elliptical galaxy surrounded by a sprawling cluster of other...
cosmic collisions sofia unravels the mysterious formation of star clusters
The sun, like all stars, was born in a giant cold cloud of molecular gas and...
Astronomers have witnessed, in the finest detail yet, a brutal David-vs-Goliath fight between two nearby galaxies that are tearing chunks from each other and flinging them into the gaseous Magellanic Stream, a...
scientist finds elusive star with origins close to big bang
Astronomers at Johns Hopkins University have found what could be one of the universe's oldest stars,...
For the first time, a team of astronomers has observed several pairs of galaxies in the final stages of merging together into single, larger...
For the first time, astronomers have observed the final stages of galactic mergers, peering through thick walls of gas and dust to see pairs...
VIDEO For the first time, a team of astronomers has observed several pairs of galaxies in the final stages of merging together into single, larger...
Our universe is capable of some truly frightening scenarios, and in this case we have an apparent tragedy: two stars, lifelong companions, decide to...
The sun, like all stars, was born in a giant cold cloud of molecular gas and dust. It may have had dozens or even hundreds of stellar siblings...
Astronomers using the Atacama Large Millimetre/submillimetre Array (ALMA) have observed a supermassive black hole acting like a ‘monumental fountain’ in the middle of a...
Galaxy evolution can be chaotic and messy, but it seems that streams of cold gas spraying out from the region around supermassive black holes may act to calm the storm.
The first known interstellar visitor to the solar system, 'Oumuamua, highlights how life could also spread between the stars, and perhaps even across the galaxy, two new studies...
A billion light-years from Earth lies one of the universe's most massive structures, a giant elliptical galaxy surrounded by a sprawling cluster of other galaxies known as Abell 2597. At the core of the central galaxy,...
2MASS J18082002-5104378 B, an ultra metal-poor star located some 1,950 light-years away from Earth, is approximately 13.53 billion years old, making it...
To study what is accelerating our universe's expansion, scientists will use a new experiment that employs choreographed robots to watch millions of galaxies every 20 minutes.
If extraterrestrial intelligence exists somewhere in our galaxy, a new study proposes that laser technology on Earth could, in principle, be fashioned...
The NASA/ESA Hubble Space Telescope has delivered an unrivalled snapshot of a small galaxy called ESO 338-4. ESO 338-4, also known as LEDA 63240 and IRAS...
Chinese astronomers report new findings regarding the central region of a nearby galaxy known as NGC 3319. The researchers found an active intermediate-mass black...
This image, taken with the NASA/ESA Hubble Space Telescope's Wide Field Camera 3 (WFC3), shows a patch of space filled with galaxies of all shapes, colors and sizes, many of which...
If extraterrestrial intelligence exists somewhere in our galaxy, a new MIT study proposes that laser technology on Earth could, in...
hubble finds smiling face in a hunt for newborn stars
This image, taken with the NASA/ESA Hubble Space Telescope's Wide Field Camera 3 (WFC3), shows a...
artificial intelligence bot trained to recognize galaxies
Researchers have taught an artificial intelligence program used to recognize faces on Facebook to identify galaxies in deep space. The result is...
Astronomers have for the first time observed clumps of gas orbiting dangerously close to the giant black hole that lies at the...
most detailed observations of material orbiting close to a black hole
ESO’s exquisitely sensitive GRAVITY instrument has added further evidence to the long-standing assumption that...
Researchers have taught an artificial intelligence program used to recognize faces on Facebook to identify galaxies in deep space. The result is an AI bot named ClaRAN that scans images taken by radio telescopes....
VIDEO The Milky Way swallowed another galaxy billions of years ago, and the leftover stars are still roaming the sky.
astronomers witness slow death of nearby galaxy
Astronomers from The Australian National University (ANU) and CSIRO have witnessed, in the finest detail ever, the slow death of a neighboring...
VIDEO Some ten billion years ago, the Milky Way merged with a large galaxy. The stars from this partner, named Gaia-Enceladus, make up...
Gas clumps cozy up to the Milky Way’s enormous black hole, new observations reveal.
Some 10 billion years ago, the Milky Way merged with a large galaxy. The stars from this partner, named Gaia-Enceladus, make up...
Scientists have identified the corpse of a galaxy that fell into the Milky Way about 10 billion years ago in what was likely the last major overhaul to...
Astronomers using the GRAVITY instrument on ESO’s Very Large Telescope Interferometer (VLTI) have detected flares of infrared radiation coming from the accretion disk around...
ESO's exquisitely sensitive GRAVITY instrument has added further evidence to the long-standing assumption that a supermassive black hole lurks in the center of the Milky Way....
Astronomers using CSIRO’s Australian SKA Pathfinder (ASKAP) telescope has discovered that a nearby dwarf galaxy called...
ESO's exquisitely sensitive GRAVITY instrument has added further evidence to the long-standing assumption that a supermassive black hole lurks in the centre of the Milky Way....
Researchers have taught an artificial intelligence program used to recognise faces on Facebook to identify galaxies in deep space.
ancient cold front in perseus
A gigantic cold front in the Perseus galaxy cluster has been observed by a trio of X-ray telescopes. The ancient cold front can be seen at...
The Galactic O-Star Spectroscopic Survey (GOSSS) is acquiring blue-violet spectroscopy of all optically accessible O stars in the Galaxy at resolution ~2500 and signal-to-noise ratio S/N...
SDSS J0915+3826, a giant group of galaxies located approximately 4 billion light-years away, is so massive that its gravity bends light like...
Astronomers from The Australian National University (ANU) and CSIRO have witnessed, in the finest detail ever, the slow death of a neighbouring dwarf galaxy, which is gradually losing its power to form stars.
One of the greatest challenges of astronomy is locating objects in space that are obscured by the light of nearby, brighter objects. In addition to making extra-solar planets...
Using the Gemini Observatory and NASA's Chandra spacecraft, a team of astronomers has provided new information about the radio galaxy 3C 17...
The planets so far discovered across the Milky Way are a motley, teeming multitude: hot Jupiters, gas giants, small, rocky worlds and mysterious planets larger than Earth and smaller than Neptune. As...
This Hubble Space Telescope image shows the unbarred spiral galaxy NGC 5033, located about 40 million light-years away in the constellation of Canes Venatici (the Hunting...
A gigantic cold front in the Perseus galaxy cluster has been observed by a trio of X-ray telescopes.
ghostly cloud
Space Science Image of the Week: An ancient cold front in galaxy cluster Perseus is imaged in surprisingly sharp detail
hubble returns to science operations
NASA’s Hubble Space Telescope returned to normal operations late Friday, Oct. 26, and completed its first science observations on Saturday, Oct. 27 at 2:10 AM EDT....
astronomers confirm collision between two milky way satellite galaxies
If you’re standing in the Southern Hemisphere on a clear night, you can see two luminous clouds offset...
rocky habitable sizing up a galaxy of planets
The planets so far discovered across the Milky Way are a motley, teeming multitude: hot Jupiters, gas giants, small, rocky...
If you're standing in the Southern Hemisphere on a clear night, you can see two luminous clouds offset from the Milky Way.
An international team of astronomers reports the discovery of a new giant protocluster of galaxies. The newly found protocluster was identified at a redshift of 5.7, when the universe was...
Star formation is one of the most important research fields in astrophysics. This process, in which gravitational instabilities cause the collapse of...
astronomers spot signs of supermassive black hole mergers
New research, published in the journal Monthly Notices of the Royal Astronomical Society, has found evidence for a large number...
study provides new insight into why galaxies stop forming stars
Galaxy clusters are rare regions of the universe consisting of hundreds of galaxies containing trillions of...
newborn stars blow bubbles in the cat s paw nebula
This image from NASA's Spitzer Space Telescope shows the Cat's Paw Nebula, so named for the large, round...
We all "knead" more space photos in our lives, so here's a stunning one from NASA's Spitzer Space Telescope of a region of the Milky Way that scientists...
New research has found evidence for a large number of double supermassive black holes, likely precursors of gigantic black hole merging events. This confirms the current understanding of cosmological evolution -- that...
This image from NASA's Spitzer Space Telescope shows the Cat's Paw Nebula, so named for the large, round features that create the impression of a feline footprint. The...
Galaxy clusters are rare regions of the universe consisting of hundreds of galaxies containing trillions of stars, as well as hot gas and dark matter.
New research, published today in the journal Monthly Notices of the Royal Astronomical Society, has found evidence for a large number of double supermassive black holes, likely precursors of gigantic black hole...
Galaxy clusters are rare regions of the universe consisting of hundreds of galaxies containing trillions of stars. It has long been known that when a galaxy falls into a cluster, star formation...
Astronomers using NASA’s Chandra X-ray Observatory have confirmed that a supernova remnant called Kes 75 contains the youngest known pulsar in our Milky Way Galaxy. After...
This image from the Atacama Large Millimeter/submillimeter Array (ALMA) shows the area surrounding Sagittarius A*, the supermassive black hole that lurks at the centre of the Milky Way—highlighted here with...
Researchers developed a mathematical model describing motion of dark matter particles inside the smallest galaxy halos. They observed that over time, dark matter may form spherical droplets of...
russian physicists observe dark matter forming droplets
Researchers developed a mathematical model describing motion of dark matter particles inside the smallest galaxy halos. They observed that over time, the...
The NASA/ESA Hubble Space Telescope has captured a vivid image of the unbarred spiral galaxy NGC 5033. NGC 5033 is located about...
Scientists have confirmed the identity of the youngest known pulsar in the Milky Way galaxy using data from NASA's Chandra X-ray Observatory. This result could provide astronomers new...
Last Thursday (Oct. 4) at Comic Con, author Amy Ratcliffe discussed her new book "Star Wars: Women of the Galaxy" at a panel moderated by voice actor Ashley Eckstein.
surprise finding discovering a previously unknown role for a source of magnetic fields
Magnetic forces ripple throughout the universe, from the fields surrounding...
Stellar superflares from young red dwarfs may make conditions uninhabitable on fledgling planets, according to the...
Magnetic forces ripple throughout the universe, from the fields surrounding planets to the gasses filling galaxies, and can be launched by a phenomenon called the Biermann...
VIDEO Almost all galaxy clusters experience mergers. While a merger takes place, a specific spiral pattern can often be observed in X-ray images. Such a spiral feature...
This cannibal galaxy is tiny, and it's right in our cosmic neighborhood.
astronomers find a cosmic titan in the early universe
An international team of astronomers has discovered a titanic structure in the early universe, just 2 billion years...
moon helps reveal secrets of the universe
The Moon may be the key to unlocking how the first stars and galaxies shaped the early Universe. A team of astronomers...
A two-year cycle in the gamma-ray brightness of a blazar, a galaxy powered by a supermassive black hole, has been confirmed by 10 years of observations from NASA's Fermi Gamma-ray Space Telescope....
VIDEO How do you create the largest 3-D map of the universe? It's as easy as teaching 5,000 robots how to "dance." DESI, the Dark Energy Spectroscopic Instrument, is...
Astronomers using ESO’s Very Large Telescope have spotted a gigantic galaxy proto-supercluster in the early Universe, just 2.3 billion years...
magnetic fields may be the key to black hole activity
Researchers using NASA’s SOFIA airborne telescope have found that magnetic fields are trapping the material that...
missing gamma ray blobs shed new light on dark matter cosmic magnetism
When astrophysicists look at the gamma-ray glow from a galaxy outside our own, all...
Astronomers peering billions of light years into space have detected the largest, most extensive collection of...
Astronomers have discovered a titanic structure in the early universe, just two billion years after the Big Bang. This galaxy proto-supercluster, nicknamed Hyperion, is the largest and most massive structure...
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Astronomers find pairs of black holes at the centers of merging galaxies
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The Milky Way feasted on a smaller galaxy 10 billion years ago
SCIENCE-NEWS
Astronomers discover the giant that shaped the early days of our Milky Way
SCIENCE DAILY
Chandra and ALMA measure speed of sloshing gas in galaxy cluster
PHYS.ORG
VIDEO: 5,000 robots merge to map the universe in 3-D
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Missing gamma-ray blobs shed new light on dark matter, cosmic magnetism
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