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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, 04:14 PM ET
What powers solar flares, auroras and other big zaps of plasma? NASA's Magnetospheric Multiscale (MMS) mission will study "magnetic reconnection" in the cosmos.
10 March 2015, 03:42 PM ET
Even 100,000 million miles away, NASA’s New Horizons probe has begun delivering unprecedented views. The mission's principal investigator Dr. Alan Stern tells Space.com just how much better the imagery will be.
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, 03:00 PM ET
The star cluster is unique since it's located thousands of light-years away from the main disc of our galaxy.
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, 11:35 AM ET
See stunning photos of the night sky and sun as seen by stargazers around the world in this Space.com photo gallery for March 2015 made up of images sent in by Space.com readers.
10 March 2015, 11:12 AM ET
Spirit and Opportunity, the Mars rovers, have outlived and outlasted any spacecraft on the surface of the red planet. Take a look at some of their latest Mars photos.
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, 05:52 PM ET
The new Space Launch System booster may look similar to the Space Shuttle boosters but its design has been overhauled for efficiency. NASA and the booster manufacturer ATK Space Systems explain.
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.
09 March 2015, 04:00 PM ET
Opportunity has paused to study some intriguing rocks just before its odometer ticks over to 26.2 miles (42.195 kilometers) — the equivalent of a marathon.
09 March 2015, 01:59 PM ET
Astronauts aboard the International Space Station will attempt to grow the fibrous plaque (amyloids) that are the root cause of the brain disease.
09 March 2015, 08:00 AM ET
The $600 million Kepler mission launched from Florida's Cape Canaveral Air Force Station on March 6, 2009. After a two-month commissioning phase, Kepler began searching for exoplanets — and began etching its name into the history books.
09 March 2015, 07:00 AM ET
The atmosphere of Saturn's huge moon Titan may have been generated within the satellite as a consequence of hydrothermal activity, Data from Europe's Huygens lander suggests.
09 March 2015, 07:00 AM ET
Our young sun may have routinely blasted Earth with gobs of energy more powerful than any similar bombardments recorded in human history.
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.
06 March 2015, 10:20 PM ET
These two events will make 2015 an exciting year for solar system exploration and discovery. But there is much more to this story than mere science.
06 March 2015, 08:46 PM ET
In an interview with XPRIZE, former NASA astronaut Rusty Schweickart recalls how a minor camera malfunction (on the first spacewalk of the Apollo program) gave him five minutes of "incredible" Earth views to appreciate.