12 March 2015, 02:01 PM ET
The Yutu rover found evidence of at least nine distinct rock layers deep beneath its wheels, indicating that the area has been surprisingly geologically active over the past 3.3 billion years.
12 March 2015, 12:50 PM ET
Lockheed hopes the system — which features a space tug known as Jupiter and a supply module called Exoliner — wins a NASA contract for the next round of cargo missions to the space station. But the company's ambitions extend beyond Earth orbit.
12 March 2015, 07:57 AM ET
NASA's Magnetospheric Multiscale mission, which will send four satellites on a search for explosive magnetic reconnections in Earth's magnetic field, will launch tonight at 10:44 p.m. EDT (0244 GMT). Here's how to watch live.
12 March 2015, 07:33 AM ET
New Horizons, which will zoom through the Pluto system on July 14, fired its engines for 93 seconds on Tuesday (March 10), when it was about 3 billion miles from Earth — the most distant engine burn ever, mission officials said.
12 March 2015, 07:02 AM ET
Traditional spacecraft-sterilization techniques can get rid of most microbes. But a new method is emerging that might be able to take all of them out, even the hardiest of the hardy.
11 March 2015, 11:40 PM ET
Three crewmembers are safely back on Earth after a six-month mission on the International Space Station.
11 March 2015, 06:50 PM ET
Three International Space Station crewmembers — including one NASA astronaut — are on their way back to Earth today (March 11) after a nearly six-month stint aboard the orbiting outpost.
11 March 2015, 05:21 PM ET
NASA's Ron Garan spent over 177 days in space, looking down on the planet in his spare moments. This 'life-changing' experience made him rethink his view of our interconnected world.
11 March 2015, 02:00 PM ET
World View lofted two payloads during a balloon flight Sunday (March 8) from southeastern Arizona. The mission was part of NASA's Space Technology Mission Directorate's Flight Opportunities Program.
11 March 2015, 12:33 PM ET
The world's largest solid rocket motor roared to life in Utah, but rather than lifting off the ground, the booster, laying on its side, was restrained in place as data was collected to qualify it for NASA's Space Launch System.
11 March 2015, 11:35 AM ET
NASA's Space Launch System rocket booster's solid propellant was ground-tested on its side at ATK, the rocket builder’s factory.
11 March 2015, 11:00 AM ET
NASA's new rocket, the Space Launch System, represents the most powerful rocket ever built. The rocket's booster fired in a test on March 11, 2015, in Utah.
11 March 2015, 07:03 AM ET
NASA will test-fire the booster of its Space Launch System (SLS) megarocket today at 11:30 a.m. EDT, and three astronauts will return to Earth from the International Space Station in the evening. Watch all the action live here at Space.com.
11 March 2015, 07:00 AM ET
The Magnetospheric Multiscale mission, which will study a cosmic phenomenon that is both dazzling and dangerous for people on Earth, is scheduled to launch into orbit on Thursday (March 12).
11 March 2015, 07:00 AM ET
The site lies at about 4 degrees north latitude and 136 degrees east longitude. It's the leading candidate for NASA's InSight lander, which is scheduled to launch in March 2016 and touch down on Mars in late September of that year.
11 March 2015, 04:00 AM ET
A look at some of the records people have set during spaceflight.
10 March 2015, 05:23 PM ET
NASA is counting down to launch four small satellites into orbit on Thursday (March 12) on a mission to study an explosive cosmic phenomenon happening right on Earth's doorstep.
10 March 2015, 05:01 PM ET
Titan is one of the most habitable places for humans in the solar system, while Enceladus is one of the best places to look for life.
10 March 2015, 03:10 PM ET
Sarah Brightman will be 'chasing dreams' and 'shaping futures' when she launches on a self-funded trip to the International Space Station in September, the soprano said as she revealed her personal mission patch at a press conference in London.
10 March 2015, 12:19 PM ET
A constellation of four satellites orbit through Earth's magnetic field to study the mysterious phenomenon called magnetic reconnection.
10 March 2015, 12:13 PM ET
Lawmakers in New Mexico are considering a bill to sell Spaceport America, a commercial space launch site that will be the home port for Virgin Galactic SpaceShipTwo spaceliner flights.
10 March 2015, 11:45 AM ET
'Houston, we've had a problem.' That's among the hundred-plus NASA audio files from historic spaceflights, current missions and even sounds of the future, sounds that you can easily download to your phone.
10 March 2015, 08:30 AM ET
If a robot plunges into the ocean of an icy moon, perhaps near Saturn or Jupiter, its main problem will be figuring out what to do next. Even at light speed, it takes hours for communications to pass back and forth to Earth.
10 March 2015, 08:25 AM ET
Space.com recently caught up with Chris Russell, the principal investigator of NASA's Dawn mission, to discuss the protoplanet Vesta, the dwarf planet Ceres and what Dawn's legacy will be.
10 March 2015, 08:00 AM ET
When the world's largest solid rocket motor is ignited in Utah, it won't leave the ground, but it will fire with components that have a long spaceflight history.
09 March 2015, 11:00 PM ET
Apollo 9 lunar module pilot Rusty Schweickart had just exited his vehicle when command module pilot Dave Scott told him to hang on. Schweickart got five minutes of peace and introspection while Scott tried to fix a jammed camera.
09 March 2015, 05:33 PM ET
Astronauts on the International Space Station are about a third of the way through filming scenes for a new IMAX documentary to be released in late spring 2016, the film's director revealed in a new interview.
09 March 2015, 04:05 PM ET
SpaceShipTwo should start flying paying customers into space sometime in 2015, Virgin Galactic founder Richard Branson has said.
08 March 2015, 12:48 PM ET
A powerful camera spotted a comet and scientists captured images of a supernova four different times. Here are Space.com's pics for the top space stories of the week.
07 March 2015, 02:34 PM ET
From an amazing photo of Comet Lovejoy captured by a dark energy camera to Comet 67P/Churyumov-Gerasimenko, don't miss these amazing space images of the week for March 7, 2015.
07 March 2015, 01:19 PM ET
"I just let go with one hand ... it was this incredible spectacular view"
07 March 2015, 08:45 AM ET
NASA's Dawn probe has begun orbiting Ceres, but the spacecraft still has some traveling to do before it starts taking the dwarf planet's measure. The spacecraft won't begin science operations until late April.