On January 12, 2005, NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. See how it happened in our On This Day In Space video series!... SPACE.COM · 3 days
On This Day in Space! Jan. 2, 2004: Stardust Encounters Comet Wild 2  SPACE.COM · 2 weeks
On Jan. 2, 2004, NASA's Stardust spacecraft flew by comet Wild 2 to collect some comet dust and bring it back to... more
New Horizons May Make Yet Another Flyby After Ultima Thule  SPACE.COM · 4 weeks
NASA's history-making New Horizons spacecraft may not be done with deep-space flybys after its highly anticipated New Year's Day encounter. more
Space Calendar 2019: Launches, Sky Events & More  SPACE.COM · 2 weeks
Here's a guide to the major astronomical events of the next year, as well as space launches and milestones for spacecraft already in travel. more
On This Day in Space! Dec. 28, 2000: Galileo Spacecraft Sees Auroras on Ganymede  SPACE.COM · 3 weeks
On Dec. 28, 2000, NASA's Galileo spacecraft discovered auroras on Ganymede, Jupiter's largest moon. See how it happened in our... more
On This Day in Space! Jan. 1, 1801: Giuseppe Piazzi Discovers Ceres  SPACE.COM · 2 weeks
On January 1, 1801, a Sicilian astronomer named Giuseppe Piazzi discovered the dwarf planet Ceres orbiting the sun between Mars and Jupiter. See how... more
On This Day in Space! Jan. 10, 1946: Radar Astronomy is Born!  SPACE.COM · 5 days
On January 10, 1946, the U.S. army bounced radar signals off of Earth's moon for the first time ever. Known as "Project Diana," this... more
On This Day in Space! Jan. 10, 1946: Radio Astronomy is Born!  SPACE.COM · 5 days
On January 10, 1946, the U.S. army bounced radar signals off of Earth's moon for the first time ever. Known as "Project Diana," this... more
On This Day in Space! Jan. 13, 1978: NASA Hires First Female Astronauts  SPACE.COM · 2 days
On January 13, 1978, NASA selected its eighth and most diverse class of astronauts yet. See how it happened in our On... more
On This Day in Space! Jan. 7, 1610: Galileo Discovers 3 Moons of Jupiter  SPACE.COM · 1 week
On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. See how it... more
On This Day in Space! Jan. 9, 1643: 'Ashen Light' Discovered on Venus  SPACE.COM · 7 days
On January 9, 1643, the Italian astronomer Giovanni Riccioli saw a weird glowing light on the night side of Venus. He named... more
Deep Space Industries Acquired by Bradford Space  SPACE.COM · 1 week
Deep Space Industries (DSI), a company founded to pursue asteroid mining but which more recently has focused on smallsats, has been acquired by another space technology company. more
Deep Space Industries acquired by Bradford Space  SPACE NEWS · 2 weeks
Deep Space Industries (DSI), a company founded to pursue asteroid mining but which more recently has focused on smallsats, has been acquired... more
Comet hunters successfully observe Wirtanen with newly modernized instrument  PHYS.ORG · 4 weeks
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1st Interstellar Visitor 'Oumuamua Is Actually Not That Special  SPACE.COM · 3 hours
A cigar-shaped space rock named 'Oumuamua caused quite a stir when it became the first interstellar visitor discovered in our solar system. Is it an asteroid, a comet or an... more
Comet ISON: The Tricky Sungrazing Comet  SPACE.COM · 2 weeks
Comet ISON, discovered by two amateur astronomers in Russia, arrived in Earth's neighborhood in November 2013 and apparently broke up as it rounded the sun. more
On This Day in Space! Jan. 4, 1970: NASA Cancels Apollo 20 Moon Mission  SPACE.COM · 2 weeks
On January 4, 1970, NASA cancelled the Apollo 20 moon mission. See how it happened in our On This Day... more
Hubble goes deep  PHYS.ORG · 1 month
This image from the Hubble Deep UV (HDUV) Legacy Survey encompasses 12,000 star-forming galaxies in a part of the constellation Fornax known as the GOODS-South field. With the addition of ultraviolet light imagery, astronomers using the NASA/ESA Hubble Space Telescope... more
On This Day in Space! Dec. 21, 1968: Apollo 8 Launches to the Moon  SPACE.COM · 4 weeks
On Dec. 21, 1968, NASA's Apollo 8 mission launched to the moon. See how it happened in our On This... more
ALMA Gives Passing Comet Its Close-up  ASTRO WATCH · 4 weeks
As comet 46P/Wirtanen neared Earth on December 2, astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) took a remarkably close look the innermost regions... more
ALMA gives passing comet its close-up  PHYS.ORG · 4 weeks
As comet 46P/Wirtanen neared Earth on December 2, astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) took a remarkably close look the innermost regions of the comet's coma, the gaseous envelope around its nucleus. more
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