24 November 2014, 07:01 AM ET
A massive population of stars is missing, and scientists are stumped as to where it could be.
24 November 2014, 07:00 AM ET
While wormholes are possible according to Einstein's theory of general relativity, it's unlikely that people will ever be able to travel through one, said renowned astrophysicist Kip Thorne of the California Institute of Technology in Pasadena.
23 November 2014, 01:45 PM ET
What was your favorite space news story of the last week?
23 November 2014, 12:48 PM ET
From iages of 3-D forests to a geologic map of Vesta, don't miss these amazing space images of the week for Nov. 23, 2014.
21 November 2014, 11:38 PM ET
Learn about the size, shape and composition of asteroids as well as their history, naming conventions, and plans to mine asteroids in the future.
21 November 2014, 08:16 PM ET
21 November 2014, 04:03 PM ET
When at Mars, bring a 3D printer.
21 November 2014, 04:00 PM ET
See images of the ringed planet from NASA's Cassini spacecraft in orbit around Saturn.
21 November 2014, 02:27 PM ET
From a dome in Hawai'i, six astronaut hopefuls are running an 8-month experiment into what life would be like on Mars.
21 November 2014, 02:05 PM ET
I know what you’re thinking: this is not a normal day-in-the-life of a mineralogy graduate student. And you’re right about that! I never dreamed that my love of rocks, crystals, and the atomic scale would lead me to be part of a NASA mission.
21 November 2014, 10:12 AM ET
NASA's Swift Gamma-ray Burst Explorer has delivered "game-changing" astrophysics data since its launch in November 2004. Mission leaders and scientists describe a few of its discoveries.
21 November 2014, 07:00 AM ET
Binary Earth-size planets that orbit each other might exist around distant stars, researchers say. Simulations suggest such worlds can begin circling each other after slow, grazing collisions.
21 November 2014, 03:46 AM ET
The Philae lander is named for the Philae obelisk, as both are uncovering answers to ancient secrets.
20 November 2014, 04:13 PM ET
A stunning new picture of Saturn's clouds shows swirls of mixing material, like cream whirling through coffee.
20 November 2014, 02:05 PM ET
20 November 2014, 02:01 PM ET
The strength of an alien world's magnetic field may have been deduced for the first time, by analyzing fast winds slamming against it from the planet's star. The research could help gauge the strength of other exoplanets' magnetic fields as well.
20 November 2014, 07:01 AM ET
See amazing photos of the Andromeda Galaxy, also known as M(31), as seen by space telescopes, astronomers and stargazers.
20 November 2014, 07:00 AM ET
Curiosity continues to investigate an outcrop at the foot of Mount Sharp dubbed Pahrump Hills, which the robot reached in September after a 14-month trek.
20 November 2014, 06:45 AM ET
A mysterious object orbiting our black hole has not yet revealed its identity as a gas cloud or a star, and two groups with a history of competition are each hoping to solve the puzzle.
20 November 2014, 06:40 AM ET
The danger of an asteroid smacking into Earth is a clear and present hazard, underscored by the huge fireball and shattering explosion that occurred over Chelyabinsk, Russia, in February 2013.
19 November 2014, 11:13 PM ET
Space art spans centuries, beginning with the very first imaginings of what details might lie at the ends of ever more powerful telescopes.
19 November 2014, 04:01 PM ET
Immense star clusters in the nearby Fornax Dwarf spheroidal galaxy should have formed much in the same way as our Milky Way. But older stars – which are present in ‘our’ globular clusters – are not visible in the Fornax.
19 November 2014, 03:41 PM ET
A mysterious object previously thought to be an exploding star could actually be two black holes fused together in a galactic collision and ejected into space.
19 November 2014, 02:02 PM ET
The region appears to be covered by a gray-white blanket in the image, which was captured in infrared light Tuesday morning (Nov. 18) by the National Oceanic and Atmospheric Administration's (NOAA) GOES-East spacecraft.
19 November 2014, 01:55 PM ET
Read news, see photos and watch videos about the Rosetta mission's landing on Comet 67P/Churyumov-Gerasimenko scheduled for Nov. 12.
19 November 2014, 01:53 PM ET
Recently returned NASA astronaut Reid Wiseman talks to Space.com's @TariqJMalik about experiencing powerful atmospheric phenomena and his photography while aboard the International Space Station.
19 November 2014, 12:36 PM ET
Relive last week's thrilling comet landing tonight with a documentary about the historic space mission airing on PBS tonight (Nov. 19).
19 November 2014, 11:57 AM ET
The first probe ever to land on the surface of a comet performed some serious science before going into hibernation. Europe's Philae probe found organic molecules in the comet's atmosphere and discovered that the icy body's surface is as hard as ice.
19 November 2014, 11:22 AM ET
90 million light-years away, the Markarian 177 dwarf galaxy shows signs of having kicked its supermassive black hole out into a wide orbit.
19 November 2014, 07:01 AM ET
A spooky new image shows a web of bright galaxies aligned in the largest structures ever discovered in the universe.
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.
18 November 2014, 11:18 PM ET
A new map reveals the most detailed picture yet of the surface features of the asteroid Vesta.