A new study has found that collisions of supermassive black holes may be simultaneously observable in both gravitational waves and X-rays at the beginning of the next decade.... nanowerk · 5 days
X-rays and gravitational waves combine to illuminate massive black hole collision  PHYS.ORG · 5 days
A new study by a group of researchers at the University of Birmingham has found that collisions of supermassive black holes may be simultaneously observable in... more
X-rays and gravitational waves will combine to illuminate massive black hole collisions  SCIENCE DAILY · 5 days
A new study has found that collisions of supermassive black holes may be simultaneously observable in both gravitational waves and X-rays at the beginning... more
A stripped helium star solves the massive black hole mystery  SCIENCE DAILY · 1 week
Recently, a Chinese team of astronomers claimed to have discovered a black hole as massive as 70 solar masses, which, if confirmed, would severely challenge the current view... more
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The Event Horizon Telescope Collaboration released the first image of a black hole with observations of the massive, dark object at the center of Messier 87, or M87, last April.... more
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On April 25, 2019, the LIGO Livingston Observatory picked up what appeared to be gravitational ripples from a collision of two neutron stars. LIGO Livingston is part of a gravitational-wave... more
Stellar black holes: When David poses as Goliath  PHYS.ORG · 1 week
Stellar black holes form when massive stars end their life in a dramatic collapse. Observations have shown that stellar black holes typically have masses of about ten times that of the Sun,... more
AstroSat observations unveil properties of black hole binary MAXI J1820+070  PHYS.ORG · 5 days
Simultaneous spectral and temporal observations of the newly detected black hole X-ray binary (BHXB) MAXI J1820+070 using the AstroSat spacecraft, have delivered more insights into the properties of... more
Astronomers find wandering massive black holes in dwarf galaxies  nanowerk · 2 weeks
Astronomers seeking to learn about the mechanisms that formed massive black holes in the early history of the Universe have gained important new clues with the discovery of 13 such... more
Astronomers find wandering massive black holes in dwarf galaxies  PHYS.ORG · 2 weeks
Astronomers seeking to learn about the mechanisms that formed massive black holes in the early history of the Universe have gained important new clues with the discovery of 13 such... more
Astronomers find wandering massive black holes in dwarf galaxies  SCIENCE DAILY · 2 weeks
Studies with the VLA indicate that roughly half of the massive black holes in dwarf galaxies are not in the centers of those galaxies. This gives astronomers new insights into... more
Astronomers discover class of strange objects near our galaxy's enormous black hole  SCIENCE DAILY · 4 days
Astronomers have discovered a new class of bizarre objects at the center of our galaxy, not far from the supermassive black hole called Sagittarius... more
Astronomers discover class of strange objects near our galaxy's enormous black hole  PHYS.ORG · 4 days
Astronomers from UCLA's Galactic Center Orbits Initiative have discovered a new class of bizarre objects at the center of our galaxy, not far from... more
Supermassive black hole at the center of our galaxy may have a friend  PHYS.ORG · 4 weeks
Do supermassive black holes have friends? The nature of galaxy formation suggests that the answer is yes, and in fact, pairs of... more
Black hole transient GRS 1716−249 investigated in hard and intermediate states  PHYS.ORG · 2 weeks
Astronomers have investigated a black hole transient known as GRS 1716−249 with NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). The new study provides crucial insights into properties... more
Astronomers Capture Galactic Fireworks in Nearby Spiral Galaxy  SCI-NEWS.COM · 3 weeks
This impressive fireworks display, which involves a supermassive black hole, enormous shock waves and vast reservoirs of gas, is taking... more
10 Things We Learned About the Brain in 2019  LIVE SCIENCE · 4 weeks
We depend on this organ to live and learn, but much of the tissue still remains as mysterious to us as the inside of a black hole. more
The billion-year belch  MIT · 4 weeks
Michael Calzadilla and colleagues describe a violent black hole outburst that provides new insight into galaxy cluster evolution. more
Blazar variability  PHYS.ORG · 3 weeks
Active galactic nuclei (AGN) are supermassive black holes at the centers of galaxies that are accreting material. These AGN emit jets of charged particles that move at speeds close to that of light, transporting huge amounts of energy away from... more
Enormous Ring of Neutral Hydrogen Found around Distant Massive Galaxy  SCI-NEWS.COM · 2 weeks
Astronomers using the Giant Metrewave Radio Telescope (GMRT) have discovered an extremely large off-centered ring of... more
Galactic gamma-ray sources reveal birthplaces of high-energy particles  nanowerk · 5 days
Nine sources of extremely high-energy gamma rays comprise a new catalog compiled by researchers. All produce gamma rays with energies over 56 trillion electron volts (TeV) and three emit gamma rays extending... more
TESS dates an ancient collision with our galaxy  nanowerk · 5 days
A single bright star in the constellation of Indus, visible from the southern hemisphere, has revealed new insights on an ancient collision that our galaxy the Milky Way underwent with another smaller... more
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