23 August 2014, 09:28 AM ET
A photo from NASA's Curiosity rover on Mars set the Internet abuzz this week with claims that the robot had found a "thigh bone" on the Red Planet. But not so fast. That so-called bone? Just a weathered Martian rock, NASA officials say.
23 August 2014, 09:20 AM ET
NASA's Mars rover Curiosity is beaming home amazing photos of the Red Planet.
23 August 2014, 08:20 AM ET
The northern lights illuminated Arctic skies earlier this week in a stunning display that could even be appreciated by astronauts living on the International Space Station.
22 August 2014, 07:57 PM ET
Sunspot AR2149 erupted with an M3-class flare on August 21st, 2014. NASA's Solar Dynamics Observatory captured the fireworks.
22 August 2014, 07:35 PM ET
Tag-team robot rovers may help usher in a new era of lunar exploration.
22 August 2014, 07:00 PM ET
By immersing viewers in dramatically intricate 3D universes, Ralf Kaehler, Stuart Levy and Dylan Nelson enable new perspectives on the cosmos.
22 August 2014, 11:26 AM ET
The Flame Extinguishment - 2 (FLEX-2) experiment studies the burning of fuel droplets in space. In a recent test, iso-octane and heptane were the fuel sources in an oxygen (21%) and nitrogen (79%) environment.
22 August 2014, 10:54 AM ET
New research led by NASA shows that spaceflight confuses the immune system.
22 August 2014, 06:02 AM ET
The new map, made using photos taken by NASA's Voyager 2 probe in 1989, has also been turned into a movie reconstructing the spacecraft's historic Triton encounter — the only time a spacecraft has ever visited the Neptune system.
22 August 2014, 06:00 AM ET
Scientists discuss what makes Jupiter's moon Europa perhaps the solar system's best bets for hosting life beyond Earth.
21 August 2014, 02:02 PM ET
An ancient star in the halo surrounding the Milky Way galaxy appears to contain traces of material released by the death of one of the universe's first stars, a new study reports.
21 August 2014, 07:00 AM ET
The Venus Express probe wrapped up its "aerobraking" move and entered a new, higher orbit late last month. It will continue to study Venus for several more months and then, as its fuel runs out, dip back into the planet's atmosphere for good.
21 August 2014, 06:50 AM ET
The researchers discovered the microscopic oval object within the Nakhla Mars meteorite, which fell to Earth in Egypt in 1911. While the structure's appearance is intriguing, it most likely formed as a result of geological rather than biological processes
20 August 2014, 10:37 PM ET
Kitt Peak National Observatory, high atop a mountain in the Arizona desert, is home to 24 telescopes. Frequent clear skies helped make it a site of many notable discoveries.
20 August 2014, 04:37 PM ET
Rough terrain is a fact of life for planetary rovers. Hakuto designs rover systems as small as possible and to utilize commercial of the shelf components. But will these choices conspire against the rover's survival?
20 August 2014, 01:01 PM ET
The discovery of a microbial ecosystem deep beneath the Antarctic ice doesn't necessarily mean that life teems on frigid worlds throughout the solar system, researchers caution: subglacial Lake Whillans is not a closed system like Jupiter's moon Europa.
20 August 2014, 12:45 PM ET
Boring through ½ mile rock-hard Antarctic ice, researchers discover a completely isolated community of microorganisms living in Subglacial Lake Whillans. The finding could be an analog for subsurface life on Mars, Europa, Enceladus and other worlds.
20 August 2014, 06:03 AM ET
A telescope in the Southern Hemisphere captured an amazing view of two star-forming regions in the Milky Way.
20 August 2014, 06:00 AM ET
Two massive star forming regions in the southern Milky Way appear to reside next to one another in ESO's La Silla Observatory image. Star cluster NGC 3603 is 20,000 light years away and gas cloud NGC 3576 is 9,000 light years away.
19 August 2014, 07:02 PM ET
A meteorite that crashed into a California house in November 2012 can be traced back to the giant impact that formed Earth's moon 4.5 billion years ago, a new study reveals. Astronomers have reconstructed the violent history of the Novato meteorite.
19 August 2014, 02:43 PM ET
Call them the 'rat-stronauts.' NASA is drawing up plans to launch a team of rats with the right stuff to the International Space Station as early as this year. You know, for science.
19 August 2014, 11:06 AM ET
Astrophysicists have analyzed two decades-worth of X-ray data and discovered three events inside galactic cores that can be interpreted in only one way: stellar destruction.
19 August 2014, 11:01 AM ET
Uwingu launched its "Beam Me to Mars" project today (Aug. 19), inviting people to contribute, for a fee, to a "digital shout-out" that will send messages from Earth to the Red Planet on Nov. 28 — the 50th anniversary of Mars exploration.
19 August 2014, 09:38 AM ET
NASA's decommissioned Rossi X-ray Timing Explorer (RXTE) satellite is still bearing fruit with the discovered of the object in the Messier 82 galaxy. The black hole (M82 X-1) weighs in at about 400 solar masses. Full Story: http://goo.gl/z2MBrk
19 August 2014, 01:19 AM ET
Through the creative use of social media, he’s made space exciting and accessible to new generations of enthusiasts.
18 August 2014, 03:38 PM ET
The 1-ton Curiosity rover had been heading for Mount Sharp via Hidden Valley, a sandy swale that's about the length of a football field. But Curiosity turned back shortly after entering the valley, finding the sand surprisingly slippery.
18 August 2014, 02:56 PM ET
New forensic data gathered by NASA telescopes reveal clues about what caused the supernova that suddenly appeared in the nearby Messier 82 galaxy earlier this year.
18 August 2014, 02:47 PM ET
'Super-Earth' Kepler 93 b is a rocky world about 3.8 times Earth’s mass, Sarah Ballard’s team determined, by integrating the parent star’s light curve with its 'asteroseismic' signature.
Full Story: http://goo.gl/Y9ue2f
18 August 2014, 07:01 AM ET
The existence of medium-size black holes has been a matter of debate. But researchers say they have now confirmed such an object in the nearby galaxy M82 — a black hole about as massive as 400 suns.
15 August 2014, 04:01 PM ET
NASA's next Mars lander, now under construction, will probe the inner workings and early stages of the Red Planet's development billions of years ago.
15 August 2014, 03:44 PM ET
A double-lobed star explosion seen by the Hubble Space Telescope has a more complicated backstory than astronomers ever imagined, according to a 3D model of the ill-fated star's eruption.
15 August 2014, 01:33 PM ET
SN 2014J in the Messier 82 galaxy, one of the nearest Type 1a supernovas in modern times, was watched by telescopes around the world. Chandra X-Ray observations suggest it’s unlikely the burst was caused by matter transfer from a companion star.