19 August 2015, 05:09 PM ET
The 1-ton Curiosity rover snapped several low-angle shots with the camera at the end of its robotic arm on Aug. 5, at a site called Marias Pass in the foothills of the 3.4-mile-high (5.5 kilometers) Mount Sharp.
19 August 2015, 04:33 PM ET
The awesome new trailer for "The Martian" is full of thrilling and stressful moments, and raises important questions about the value of human life in space exploration.
19 August 2015, 04:00 PM ET
After spending 199 days on the International Space Station, a European astronaut is readying for her next big mission: joining an independent "Star Trek" production.
19 August 2015, 03:37 PM ET
ESA’s Rosetta probe is keeping a sharp eye on comet 67P/Churyumov-Gerasimenko during its perihelion (closest approach to the Sun and peak activity time).
19 August 2015, 03:11 PM ET
Matt Damon's character in the new movie gets stranded on the Red Planet and has to "science the sh*t" out of the problem. He hopes that movies like this will help to propel people into learning more about science.
19 August 2015, 01:07 PM ET
To prepare for the film the actress worked with NASA to learn about the realistic aspects of space exploration. Chastain and NASA astronaut Tracy Caldwell Dyson explain.
19 August 2015, 01:01 PM ET
Gas-giant planets such as Jupiter and Saturn form quickly, thanks to the fast accretion of pebble-size building blocks, new research suggests.
19 August 2015, 12:35 PM ET
Wildfire smoke can be seen blanketing northern California and Washington state in new images taken by NASA satellites.
19 August 2015, 10:27 AM ET
Call all fans of flight! According to NASA, it's National Aviation Day today (Aug. 19) and the space agency wants you to celebrate the technological marvel that is flight with a photo social media campaign.
19 August 2015, 10:22 AM ET
A summer challenge invites kids ages 2 to 8 to develop "out-of-this-world" creations — with a grand-prize trip to a SpaceX rocket launch.
19 August 2015, 08:00 AM ET
Japan's fifth H-II Transfer Vehicle (HTV-5) blasted off atop an HII-B rocket from Tanegashima Space Center today (Aug. 19) at 7:50 a.m. EDT (1150 GMT, 8:50 p.m. local Japanese time).
19 August 2015, 06:00 AM ET
3,000 light-years away in the Ara constellation lies the open star cluster IC 4651. According to the European Southern Observatory, "the stars in IC 4651 all formed around the same time out of the same cloud of gas."
19 August 2015, 06:00 AM ET
A middle-aged clutch of stars shines in many colors in a new image released by the European Southern Observatory. The stars in the image are from an open star cluster called IC 4651, which lies in the Milky Way about 3,000 light-years from Earth.
19 August 2015, 05:40 AM ET
On Thursday morning (Aug. 20), skygazers will get a special treat, when the planet Mars appears in the midst of hundreds of stars: the open star cluster known as the Beehive, Praesepe, or Messier 44.
19 August 2015, 05:00 AM ET
A planetarium show at New York City's American Museum of Natural History this month gave audience members a vivid look at the New Horizons spacecraft's epic flyby of Pluto.
18 August 2015, 06:00 PM ET
NASA's LADEE spacecraft has made the first-ever detection of neon in the wispy lunar atmosphere, which is properly known as an "exosphere" because it's so thin — about 100 trillion times less dense than that of Earth at sea level.
18 August 2015, 04:35 PM ET
Black hole RGG 118's mass is 50,000 times that of the Sun and is 100 times less massive than the one found in the center of the milky way.
18 August 2015, 04:30 PM ET
If the USS Enterprise from "Star Trek" raced the ship from "Battlestar Galactica" to the nearest star system, which would get there first?
18 August 2015, 03:54 PM ET
In TWO stunning orbital photos, a thunderstorm over Mexico generated two huge, red sprites reaching into space.Ω
18 August 2015, 03:49 PM ET
The mystery behind the origin of what may be Saturn's oddest ring and its two companion moons may finally be solved: They came from an ancient, catastrophic collision, researchers say.
18 August 2015, 03:45 PM ET
Japan's fifth H-II Transfer Vehicle (HTV-5) is scheduled to blast off from the nation's Tanegashima Space Center Wednesday at 7:50 a.m. EDT (1150 GMT). You can watch it live at Space.com, beginning at 7 a.m. EDT (1100 GMT), courtesy of NASA TV.
18 August 2015, 02:10 PM ET
An astrophotographer spotted a beautifully-formed solar prominence that looks like a giant version of the famous Parisian landmark.
18 August 2015, 12:30 PM ET
These comets were not seen in abundance until the SOHO, STEREO, and SDO observatories were put into service. Most stem from the Kreutz family of comets, fragments of a large comet that broke up several hundred years ago.
18 August 2015, 10:00 AM ET
Astrophotographer Adam Woodworth took this image of an aurora from Norstead, a Viking village replica.
18 August 2015, 07:41 AM ET
The infamous Mars Hoax that has circulated widely through the Internet since its first appearance in 2003 — when it originated
18 August 2015, 07:39 AM ET
Every space-exploration mission could soon by manned. That's the vision of SpaceVR, a startup that aims to launch virtual-reality cameras to the International Space Station, the moon, Mars and anywhere else that spacecraft may travel in the future.
18 August 2015, 07:01 AM ET
The upcoming addition of a private inflatable "room" to the International Space Station could help pave the way for colonies on the moon and Mars.
17 August 2015, 05:39 PM ET
"Star Wars"-themed lands will be added to the Disneyland and Walt Disney World resorts — located in Anaheim, California, and Orlando, Florida, respectively — Walt Disney Co. representatives announced at the D23 Expo 2015 over the weekend.
17 August 2015, 03:50 PM ET
This stunning image of a purple and gold aurora was taken by Jason Matias at the Wild Horses Monument on the Columbia River Gorge in Washington.
17 August 2015, 03:49 PM ET
Astronaut Scott Kelly's imagery of Earth and Space from the International Space Station has been nothing short of extraordinary. They've been posted to his Facebook page, with personalized short descriptions since the beginning of July.
17 August 2015, 03:30 PM ET
After nearly 20 years gazing at the sun, the SOHO spacecraft is about to spy its 3,000th comet.
17 August 2015, 01:39 PM ET
After two giant explosions in Tianjin, a black plume of smoke snaked over China's Bohai Sea.