10 March 2014, 05:34 PM ET
This newly-released observation of Saturn's second largest moon could be mistaken for our own moon hanging in the night sky.
10 March 2014, 05:29 PM ET
See photos from the March 10, 2014 landing of the a Russian Soyuz TMA-10 spacecraft carrying NASA astronaut Mike Hopkins and Russian cosmonauts Oleg Kotov and Sergey Ryazanskiy to wrap up a 166-day space mission.
10 March 2014, 03:12 PM ET
Urging all Americans to open their imaginations to discoveries yet unmade, the President of the United States introduced the premiere episode of 'Cosmos: A Spacetime Odyssey' on March 9th, 2014.
10 March 2014, 02:26 PM ET
The premiere of the new "Cosmos" series got a nod from the astronauts aboard the International Space Station. In a video beamed from space, NASA astronaut Rick Mastracchio shows how Newton's third law of motion works in microgravity.
10 March 2014, 11:33 AM ET
Only 12 million years old, or less than three-thousandths of the age of the Sun, Beta Pictoris, as seen in this space wallpaper, is 75 percent more massive than our parent star.
10 March 2014, 09:27 AM ET
Neil DeGrasse Tyson, the host of the re-envisioned show, introduces a zero-gravity demonstration of Newton's third law of motion. Expedition 38's Rick Mastracchio and Koichi Wakata prove the law aboard the International Space Station.
10 March 2014, 08:00 AM ET
Against a backdrop of sleek graphics and astronomical imagery, host Neil deGrasse Tyson brought a new generation of "Cosmos" viewers up to speed about our place in the universe.
10 March 2014, 08:00 AM ET
Researchers are developing flat, blanket-size landers that could be delivered en masse to worlds such as Mars or Jupiter's moon Europa. The approach could enable NASA to mount missions to places previously deemed too risky to explore, researchers say.
09 March 2014, 03:36 AM ET
Famed astronomer Carl Sagan shared the universe with millions with 1980's 'Cosmos.' That legacy lives on with 'Cosmos: A Spacetime Odyssey' hosted by Neil deGrasse Tyson, which premieres March 9 on Fox.
08 March 2014, 04:16 PM ET
What was your favorite space news story of the last week?
08 March 2014, 01:17 PM ET
From a disintegrating asteroid to space junk cleanup, don't miss these amazing space images of the week for March 8, 2014.
08 March 2014, 09:31 AM ET
See NASA's schedule of events and exhibits at the annual SXSW festival in Austin, Texas, in this announcement from the space agency. Let
08 March 2014, 07:00 AM ET
Fans of the late astronomer Carl Sagan's "Cosmos" have even more to be excited about this weekend. Ahead of Sunday's premiere of the "Cosmos" reboot, the National Geographic Channel will air a marathon of the original series.
07 March 2014, 06:55 PM ET
Despite finding a slew of new stellar bodies outside the solar system, NASA's WISE telescope discovered no suggestion of a brown dwarf companion to the sun or a massive hidden planet.
07 March 2014, 05:40 PM ET
Carl Sagan brought science into homes around the United States with his TV shows and books for years. When the famed astronomer died in 1996, he left a legacy of people that were inspired by his unique brand of science education.
07 March 2014, 05:30 PM ET
Famous astronomer Carl Sagan brought the wonders of the universe to people living on the planet he dubbed the "pale blue dot." Although Sagan died in 1996 of a rare bone-marrow disease when he was 62, his influence on the public still lives on today.
07 March 2014, 04:05 PM ET
NASA astronaut Scott Kelly will spend a year aboard ISS, giving researchers a better understanding of how spaceflight effects in the human body. Scott's identical twin Mark (fmr. Space Shuttle cmdr.) provides a unique Earth-based comparison.
07 March 2014, 04:02 PM ET
Scott and Mark Kelly, the only set of astronaut twins, are set to become test subjects in an unprecedented NASA investigation into how weightlessness impacts the human body.
07 March 2014, 03:40 PM ET
A new study indicates that the entry, descent and landing of SpaceX's unmanned Dragon capsule at Mars is viable. Moreover, the capsule's descent technique would help set the stage for future human missions to the Red Planet.
07 March 2014, 02:34 PM ET
A look at the "Red Dragon" mission concept, which would use SpaceX's Dragon capsule and Falcon Heavy rocket to bring Red Planet samples — perhaps gathered by NASA's 2020 Mars rover — to Earth.
07 March 2014, 01:52 PM ET
Einstein's Theory of Relativity predicts that a mass of star cluster Abell 2744 warps the fabric of space around it, bending and magnifying passing starlight. The Hubble Space Telescope's exposure of the cluster reveals 3,000 magnified galaxies.
07 March 2014, 01:00 PM ET
This space wallpaper from the Hubble Space Telescope shows the rare sight of the asteroid P/2013 R3 breaking apart. This image, the first in a series, was taken on Oct. 29, 2013.
07 March 2014, 12:50 PM ET
An enormous belt of carbon monoxide gas lies in the disk of debris surrounding Beta Pictoris, a young star 63 light-years from Earth. The source of the gas is probably comets, which may have been trapped there by a big alien planet.
07 March 2014, 09:27 AM ET
Astronomers studying the dust and gas around bright star Beta Pictoris have discover a cloud of debris from collisions of icy comet-like bodies. It's possible that the comets are trapped in a small region by the gravity of a saturn-sized planet.
07 March 2014, 07:00 AM ET
Space.com caught up with Neil deGrasse Tyson, host of the new "Cosmos" series, to talk about the show, Carl Sagan and science popularization.
07 March 2014, 07:00 AM ET
Astrophysicist and science popularizer Neil deGrasse Tyson explains why every generation needs a "Cosmos" in an interview with Space.com.
07 March 2014, 06:47 AM ET
This series of Hubble Space Telescope photos captures a rare event in action, the breakup of asteroid P/2013 R3 as it happened in 2013 and 2014. See the amazing Hubble photos here.
07 March 2014, 06:30 AM ET
Astronomers have seen comets break apart as they near the sun, but they'd never witnessed anything similar in an asteroid in the main belt — until now. Hubble images show that the asteroid, known as P/2013 R3, has fragmented into 10 pieces.
07 March 2014, 06:27 AM ET
San Francisco-based startup Planet Labs released the first images of Earth taken by its Dove 1 and 2 satellites in April and May 2013.
06 March 2014, 06:00 PM ET
A far-flung NASA space probe flying around Saturn zipped past the ringed planet's biggest moon for the 100th time. The Cassini spacecraft made its closest approach to the hazy moon Titan on Thursday.
06 March 2014, 04:21 PM ET
The 25-foot-wide (8 meters) asteroid 2014 EC came within 38,300 miles (61,600 kilometers) of our planet at 4:21 p.m. ET today, NASA officials said. For comparison, the moon orbits Earth at an average distance of 239,000 miles (385,000 km).
06 March 2014, 02:02 PM ET
A huge meteorite impact on Mars was so powerful that it blasted a bunch of Red Planet rocks in Earth's direction five million years ago. The cosmic crash is the source of all "shergottite" Martian meteorites found on Earth, researchers say.