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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.
06 March 2015, 06:31 PM ET
The Feb. 27 short circuit that has halted some of the science work by NASA's Mars rover Curiosity, apparently originated in the robot's rock-boring drill, space agency officials announced Friday (March 6).
06 March 2015, 05:20 PM ET
In a blast from the space-age past, the National Archives released an awesomely retro 1965 advertisement for NASA's traveling outreach program, the Spacemobile.
06 March 2015, 05:20 PM ET
Calling all young astronomers and creative writers! The European Space Agency is asking for kids 12 and under to submit their most fantastic stories inspired by the stars for a chance to win a Stargazer Lottie doll.
06 March 2015, 04:01 PM ET
Researchers scanning the atmospheres of exoplanets for gases produced by living creatures should hunt for more than just oxygen, methane and other "biosignatures" that swirl about in Earth's air, MIT's Sara Seager says.
06 March 2015, 10:00 AM ET
NASA's Dawn probe arrived at Ceres today (March 6) at 7:20 a.m. EST, becoming the first spacecraft ever to orbit a dwarf planet, and the first ever to orbit two celestial bodies beyond the Earth-moon system.
06 March 2015, 08:13 AM ET
Entrepreneur Richard Branson aims to take paying passengers into space in the next few years.
06 March 2015, 07:30 AM ET
"We are about to…bloon" is part of a campaign request for dollars to help record the first-ever spherical video of an eclipse from the stratosphere.
06 March 2015, 07:30 AM ET
European governments have received no word from the U.S. Air Force in the month since the Feb. 3 debris-producing explosion aboard a military weather satellite in a heavily trafficked orbit but said they hadn’t expected any.
06 March 2015, 07:30 AM ET
The UN formally dissolved its Action Team 14, in recognition of the group's successful completion of its mandate to coordinate international mitigation efforts for near-Earth object (NEO) threats.
06 March 2015, 12:00 AM ET
If all goes according to plan on Friday morning (March 6), Dawn will become the first spacecraft ever to visit a dwarf planet, and the first to circle two different objects beyond the Earth-moon system.