12 May 2015, 07:25 AM ET
Aspiring astronauts got a glimpse of spaceflyers' snack options when Italian astronaut Samantha Cristoforetti showed off the International Space Station's pantry in a video uploaded by the European Space Agency on April 21.
11 May 2015, 05:05 PM ET
NASA's Dawn spacecraft has obtained the best views yet of the mysterious features, capturing them from a distance of just 8,400 miles (13,600 kilometers) in a series of images that mission team members combined to make a new Ceres video.
11 May 2015, 05:00 PM ET
Mars One CEO Bas Lansdorp and astronaut-selection chief Norbert Kraft dispute allegations by a former astronaut candidate that the colonization effort judges its applicants unfairly and is unable to finance itself.
11 May 2015, 01:12 PM ET
The ESA astronaut tours the Space Station bathroom and gives a tutorial on how nails are cut, hair is washed, teeth are brushed and more.
11 May 2015, 07:21 AM ET
For years, tiny payloads have been launched into Earth orbit on satellites smaller than a loaf of bread.
11 May 2015, 07:01 AM ET
Small and economical "cubesats" already eye our planet from orbit. But such bantam craft are about to start pushing out into deep space, helping researchers study and explore the moon, asteroids and other distant bodies.
11 May 2015, 07:00 AM ET
The new ideas funded by the NASA Innovative Advanced Concepts (NIAC) program include a squid-like amphibious rover that could explore icy, ocean-harboring moons such as the Jupiter satellite Europa.
11 May 2015, 07:00 AM ET
The Internet has been abuzz recently with reports that a NASA research team has made significant progress toward developing a propellant-free thruster system. But space agency officials are downplaying the results.
10 May 2015, 09:05 AM ET
Russia's failed Progress 59 cargo spacecraft fell back to Earth, SpaceX's Dragon crew capsule launched on its first big test and the sun fired off its most powerful flare of 2015 so far. Here's a look at Space.com's top stories of the week.
09 May 2015, 11:01 AM ET
Have you ever wondered what it would be like to live on the moon? What about Mars, or Venus or Mercury? We sure have and that's why we decided to find out what it might be like to live on other worlds in our solar system, from Mercury to Pluto and beyond
09 May 2015, 10:52 AM ET
There are many unknowns regarding the potentially habitable exoplanet Kepler-186f, but it may have similar light (from its star) and gravity as Earth.
08 May 2015, 06:26 PM ET
The U.S. Air Force’s Rapid Capabilities Office is scheduled to launch the fourth mission of the X-37B Orbital Test Vehicle (OTV) in May 2015.
08 May 2015, 04:50 PM ET
Andy Weir, author of the acclaimed novel 'The Martian,' stopped by NASA's Johnson Space Center in Houston recently and took the new Modular Robotic Vehicle for a test ride. See the photos here.
08 May 2015, 07:00 AM ET
The debris cloud spawned by the Feb. 3 explosion of the U.S. Air Force's DMSP-F13 satellite may endanger some spacecraft, a new study suggests.
08 May 2015, 07:00 AM ET
An incremental, multiple-mission approach — which envisions getting astronauts to Phobos by 2033, then down to the Martian surface by 2039 — could make manned Mars exploration technologically and economically feasible.
08 May 2015, 02:08 AM ET
The unmanned Progress 59 freighter burned up at 10:04 p.m. EDT Thursday (May 7; 0204 GMT May 8) over the central Pacific Ocean, officials with the Russian space agency, known as Roscosmos, said in a statement.
07 May 2015, 04:19 PM ET
To prepare for future colonies on Mars, NASA is asking the public for ideas on how to keep Red Planet astronauts safe with minimal resupplies from Earth.
07 May 2015, 02:45 PM ET
Russia's out-of-control cargo ship Progress 59 is headed for a destructive plunge into Earth's atmosphere overnight between Thursday and Friday (May 7-8).
07 May 2015, 10:50 AM ET
Astronauts on the International Space Station are imbibing fresh brewed drinks. The principal investigator of the Capillary Beverage study explains how it works.
06 May 2015, 03:50 PM ET
Russia's doomed Progress 59 cargo ship is headed for a fiery fate in Earth's atmosphere on Thursday, but when and where it will fall is still uncertain. See the latest.
06 May 2015, 12:29 PM ET
SpaceX launched a major test Wednesday (May 5) of the innovative rocket escape system for its manned Dragon spaceships, a critical system designed to save astronauts in a launch emergency. See how the short test went.
06 May 2015, 09:06 AM ET
The Dragon crew capsule, slated to carry NASA astronauts and others, launched in a successful test of emergency abort procedures on May 6th, 2015.
06 May 2015, 06:40 AM ET
Planetary Resources' Arkyd-3R probe currently sits aboard the International Space Station and is scheduled to be deployed into orbit sometime in July, representatives of the Washington-based asteroid-mining company have said.
06 May 2015, 06:30 AM ET
Despite skepticism from Congress concerning NASA's asteroid-capture project, space agency chief Charles Bolden said "consensus is emerging" about that mission and other steps in NASA's plan to send humans to Mars.
05 May 2015, 02:48 PM ET
SpaceX's Dragon astronaut taxi will blast off with a dummy on board Wednesday (May 6) in a crucial safety test, and you can watch all of the action live here at Space.com.
05 May 2015, 01:57 PM ET
Before astronaut Alan Shepard lifted off to become the first U.S. astronaut in space 54 years ago, three pad abort tests ensured his Mercury capsule could pull away from his Redstone rocket in an emergency. See how SpaceX is building on that history.
05 May 2015, 12:00 PM ET
SpaceShipTwo broke apart in midair during a test flight on Oct. 31, 2014, killing copilot Michael Alsbury. Virgin Galactic representatives vowed to press on despite the tragic accident, and another SpaceShipTwo is indeed taking shape.
05 May 2015, 07:00 AM ET
The new image was snapped from the deck of the drone ship on April 14, a second or so before the rocket stage toppled over and exploded in a dramatic demise that SpaceX captured on video.
04 May 2015, 04:42 PM ET
Mice zapped with cosmic rays can incur brain damage, suggesting that astronauts' mental performance could suffer over time on deep-space missions to Mars and beyond, researchers say.
04 May 2015, 03:55 PM ET
NASA has successfully tested electromagnetic propulsion in a hard vacuum for the first time.
04 May 2015, 03:50 PM ET
The Space Exploration, Development, and Settlement Act of 2015, drafted by Rep. Dana Rohrabacher (R-Calif.), would mark the second time in the last three decades that Congress has directed NASA to support efforts for human settlements beyond Earth orbit.
04 May 2015, 03:29 PM ET
Sparks flew on Capitol Hill where a NASA authorization bill that recommends deep cuts for Earth science made it out of a sharply divided committee on a party line vote.