19 November 2014, 07:01 AM ET
Some space analysts wonder if "Object 2014-28E" could be part of an anti-satellite program — perhaps a revived version of the Cold War-era "Istrebitel Sputnikov" ("satellite killer") project.d
19 November 2014, 06:00 AM ET
Europe's Very Large Telescope in Chile reveals the axes of supermassive black holes billions of light years apart are aligned within the galactic filaments in which they reside.
19 November 2014, 12:30 AM ET
The NASA/ESA Hubble Space Telescope has snapped a striking space wallpaper of a multiple star system called XZ Tauri, its neighbour HL Tauri and several nearby young stellar objects.
18 November 2014, 11:18 PM ET
A new map reveals the most detailed picture yet of the surface features of the asteroid Vesta.
18 November 2014, 04:40 PM ET
Halloween is cool. A space age Halloween is even cooler. See our favorite space costume photos from Space.com readers from our 2014 space costume contest.
18 November 2014, 02:05 PM ET
It's likely that increased doses of solar power will allow the Philae comet lander's secondary battery to power up sufficiently to renew communications via the Rosetta spacecraft orbiting overhead, mission officials say.
18 November 2014, 01:51 PM ET
NASA's Orion spacecraft is designed to take humans deeper into space than ever before. Get the latest Orion news, videos and images here.
18 November 2014, 01:45 PM ET
NASA Osiris-REx mission plans to return samples from Asteroid Bennu in 2023. The space rock's amazing journey began in the ‘chaos of creation’ more than 4.7 billion years ago.
18 November 2014, 11:25 AM ET
A new map created by NASA researchers reveals that 556 fireball events — produced when small asteroids explode in Earth's atmosphere — occurred around the world between 1994 and 2013.
18 November 2014, 11:20 AM ET
New Horizons is scheduled to emerge from a 99-day hibernation on Dec. 6, then gear up for a six-month Pluto encounter that peaks with the first-ever close flyby of the mysterious dwarf planet on July 14, 2015.
18 November 2014, 06:38 AM ET
The mysterious substance that makes up most of the matter in the universe may be destroying neutron stars by turning them into black holes in the center of the Milky Way, new research suggests.
18 November 2014, 06:27 AM ET
A new laser instrument developed for the International Space Station is expected to generate incredible 3D maps of Earth's forests.
17 November 2014, 05:00 PM ET
Space station commander Barry Wilmore installed the 3D printer inside the orbiting lab's Microgravity Science Glovebox Monday. The machine and its software are in good operating condition, and the first test items will likely be printed sometime Monday.
17 November 2014, 04:30 PM ET
The last group of astronauts to repair the Hubble Space Telescope discusses its astronomical legacy.
17 November 2014, 03:30 PM ET
See photos of the new Hubble Space Telescope exhibit at the Intrepid Sea, Air & Space Museum.
17 November 2014, 03:04 PM ET
The first spacecraft to land on a comet has earned a stamp of approval in the UK. Mail delivered in England, Scotland, Wales, and Northern Ireland have been stamped with a postmark celebrating the historic landing by the Philae probe.
17 November 2014, 02:32 PM ET
Newly released photos by the Rosetta mothership show Philae's descent toward the comet and the probe's position shortly after its first bounce. The images span 30 minutes around Philae's initial touchdown.
17 November 2014, 02:18 PM ET
The Great Red Spot on Jupiter's face is secretly dull in color. But the swirling storm looks crimson thanks to something like a cosmic "sunburn." Gases in Jupiter's upper atmosphere turn reddish when they're hit with sunlight, scientists say.
17 November 2014, 02:05 PM ET
The Made In Space printer was launched aboard the SpaceX CRS-4 mission in Sep. 2014. On Nov. 17th, 2014, the printer was installed into the microgravity science laboratory's glove box. Its first test will occur later in the day.
17 November 2014, 12:56 PM ET
The annual Leonid meteor shower peaks tonight and you can watch it live online.
17 November 2014, 09:16 AM ET
Don't get him angry. You wouldn't like it when he's angry! The actor and retired body builder wants you to check out the NASA spacecraft, which he describes as "leaving other spacecraft 'Green with envy.'”
17 November 2014, 07:00 AM ET
Scientists may soon get a look at the universe's skeleton by taking a close look at light left over from the Big Bang, which can be used to reveal the presence of matter like stars, galaxies, and even larger structures in the universe.
16 November 2014, 11:12 AM ET
The Leonid meteor shower of 2014 will peak on Monday and Tuesday (Nov. 17 and 18), but don't expect a dazzling celestial light show. Here's what to expect from the Leonids this year.
16 November 2014, 09:50 AM ET
Alien life might flourish on an exotic kind of carbon dioxide, researchers say. This 'supercritical' carbon dioxide, which has features of both liquids and gases, could be key to extraterrestrial organisms much as water is to biology on Earth.
15 November 2014, 10:40 AM ET
If you were up late Friday night, or rather awake in the wee hours of Saturday, you may have seen two brilliant objects that will immediately catch your eye if the sky is clear.
15 November 2014, 10:34 AM ET
In August 2014, ESA's Rosetta Spacecraft will rendezvous with Comet 67P/Churyumov-Gerasimenko and deploy the Philae lander. See photos from the Rosetta comet probe.
15 November 2014, 09:20 AM ET
The first spacecraft ever to land on a comet has fallen silent, entering a potentially long, cold sleep after running out of power. The European Space Agency's Philae lander has entered hibernation after 57 hours on Comet 67P/Churyumov–Gerasimenko.
14 November 2014, 04:31 PM ET
The new biopic "The Theory of Everything" documents the personal life of cosmologist Stephen Hawking.
14 November 2014, 03:27 PM ET
The first Hasselblad camera to be flown into space has sold at auction for $275,000 to a UK collector who says in some respects the artifact was a bargain. The historic camera's new owner spoke with collectSPACE.com in an exclusive interview.
14 November 2014, 12:32 PM ET
Europe's Philae lander is expected to drill into the surface of its comet for the first time today (Nov. 14), in spite of the fact that the probe could be running out of battery life,,European Space Agency officials said today (Nov. 14).
14 November 2014, 11:16 AM ET
Three hours after the Chandra X-Ray Telescope detected one of the largest flares ever observed originating from the Milky Way’s supermassive black hole, the IceCube Neutrino Observatory in Antartica detected a high-energy neutrino.
14 November 2014, 07:30 AM ET
When the Philae attempted touchdown on comet 67P, it bounced off with nearly enough force to drift away into space.