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19 March 2015, 01:00 PM ET
For years, many astronomers thought planets around red dwarfs were probably uninhabitable. But recently, the thinking has begun to change.
19 March 2015, 12:00 PM ET
An unexpected leak of a chemical designed to tag complex organic molecules in samples collected by NASA’s Mars rover Curiosity appears to have serendipitously done its job.
19 March 2015, 07:00 AM ET
NASA officials viewed Bigelow Aerospace's Bigelow Expandable Activity Module (BEAM) at the company's facility in Las Vegas on March 12. BEAM is scheduled toward the International Space Station atop SpaceX's Falcon 9 booster later this year.
19 March 2015, 07:00 AM ET
Even though most people around the world won't be able to see Friday's total solar eclipse in person, anyone with an Internet connection can watch it live online thanks to two webcasts featuring the cosmic event.
19 March 2015, 07:00 AM ET
NASA's MAVEN spacecraft spotted ultraviolet "Christmas light" auroras dancing in the Red Planet's atmosphere for five days leading up to Dec. 25, 2014.
18 March 2015, 05:08 PM ET
A total solar eclipse will be visible in parts of Europe, Asia and Africa on Friday (March 20), but eclipses can be dangerous, too, and no one should ever look directly at the sun — even during an eclipse.
18 March 2015, 05:08 PM ET
Virgin Galactic opened its latest commercial spaceflight facility this month to build a new rocket capable of launching small satellites into orbit.
18 March 2015, 04:08 PM ET
NASA's Lunar Reconnaissance Orbiter has spotted the crater left by the powerful moon impact of March 17, 2013.
18 March 2015, 03:50 PM ET
An Antarctic crew plans to simulate spaceflight during the long, cold winter to better understand how humans adapt to space.
18 March 2015, 02:47 PM ET
After astronomers recorded a bright flash on the Moon in March 2013 NASA tasked it Lunar Reconnaissance Orbiter to compare old and new images. Clues led the LRO team to find an 18-meter-wide crater, one of over 25 fresh impacts.
18 March 2015, 12:45 PM ET
It lasted just 12 minutes and 9 seconds, but the first spacewalk — 50 years ago — took the first steps towards shaping the future of space exploration. Soviet cosmonaut Alexei Leonov became the first person to leave his craft.
18 March 2015, 12:31 PM ET
Particles within a comet's tail can quickly whip up to the speed of the solar wind, according to observations of a comet in 2013.
18 March 2015, 11:37 AM ET
Green auroras danced in skies around the world last night thanks to a massive solar storm that super-charged the cosmic light displays for St. Patrick's Day.
18 March 2015, 11:00 AM ET
Space.com readers sent in their photos of the amazing auroras in 2015, including views captured during an intense geomagnetic storm on March 17-18, 2015.
18 March 2015, 07:00 AM ET
Sierra Nevada Corp. today (March 17) unveiled the autonomous cargo version of its Dream Chaser space plane, which the company hopes NASA chooses to fly the next round of cargo missions to the orbiting lab.
18 March 2015, 07:00 AM ET
A new asteroid-hunting computer program will help amateur astronomers and citizen scientists identify potentially hazardous space rocks faster and more accurately, NASA officials say.
17 March 2015, 10:00 PM ET
For about 50 years, humanity has sent orbiters, probes and landers to the Red Planet. Here's a look at all of the missions to Mars to date, both the successes and the failures.
17 March 2015, 07:10 PM ET
Launching on a rocket lower stage, Sierra Nevada's Dream Chaser Cargo version could visit space facilities, then re-enter and glide to a runway landing thanks to its lifting body-based aero-design.
17 March 2015, 05:49 PM ET
A new documentary is launching audiences on a 'Journey to Space.' Narrated by actor Patrick Stewart, the giant-screen 3D film is showcasing NASA's future spaceflight plans at visitor centers and space museums, with more venues to be added throughout 2015.
17 March 2015, 05:19 PM ET
Auroras around the world could be super-charged tonight thanks to a severe solar storm impacting Earth, but even if bad weather hinders your view of the northern lights, you can still catch them live in a webcast online.
17 March 2015, 12:45 PM ET
A massive solar storm is bombarding Earth today (March 17), sparking stronger than normal auroras for St. Patrick's Day. The solar storm poses no threat to satellites, but may affect GPS and radio signals.
17 March 2015, 12:40 PM ET
See images of the sun's activity during 2015 in our Space.com gallery.
17 March 2015, 12:31 PM ET
Fans of the science fiction epic "Interstellar" don’t have to wait until March 31st to watch the movie at home: a digital HD version is available starting today (March 17).
17 March 2015, 11:53 AM ET
NASA astronaut Terry Virts beamed down two photos from the International Space Station in honor of the Irish holiday today (March 17). The images show Ireland — the "Emerald Isle" — as seen from space.
17 March 2015, 11:29 AM ET
The year 2015 is packed full of amazing astronomical sights in the daytime and nighttime sky, from solar and lunar eclipses to dazzlingly bright planets. See our list of the 9 best stargazing events of the year.
17 March 2015, 10:00 AM ET
An impressive sculpture is now in place at the main entrance of New Mexico’s Spaceport America. Artist Otto Rigan has created GENESIS – a multi-ton sculpture that is 40 feet wide, 23 feet high and 5 feet deep.
17 March 2015, 08:21 AM ET
NASA astronaut Ron Garan spent nearly 200 days in space, and now, he's written a book about his experiences.
17 March 2015, 08:12 AM ET
On Thursday night, for the first time in my life, I got to watch a multi-ton rocket claw its way through the atmosphere with such force that it countered the pull of Earth's gravity and reached the region called outer space. It was amazing.
17 March 2015, 08:00 AM ET
China booster builders are slated to augment their Long March family of launchers this year and in 2016. According to Chinese news services, the country will soon fly their Long March 6 – likely in the middle of this year.
17 March 2015, 07:01 AM ET
Titania and Miranda offer up great views and places to explore, but both of the moons suffer from extreme cold and very low gravity.
16 March 2015, 09:49 PM ET
Cosmologist Stephen Hawking is regarded as a brilliant theoretical physicist. His work on black holes and the big bang are topics of popular books.