28 May 2014, 07:21 AM ET
Three new crewmembers are set to launch on a quick trip to the International Space Station, and you can watch them blastoff live online today (May 28).
27 May 2014, 04:07 PM ET
NASA's giant new rocket, the Space Launch System, and its Orion space capsule are making progress toward two key test flights in the upcoming years. See how far along NASA's new rocket and spacecraft are, and what's next for the U.S. space vehicles.
27 May 2014, 06:50 AM ET
The future of manned space exporation is bright, according to a former astronaut and a NASA engineer. Humans may one day tread across some of the alien worlds that today can be studied only at a distance.
27 May 2014, 06:46 AM ET
Several upcoming missions will harness the subtle push of sunlight, using gossamer 'solar sails' to cruise through the heavens like boats through the sea. Such propellant-free propulsion could help humanity explore the solar system and beyond.
26 May 2014, 10:54 AM ET
What was your favorite space news story of the last week?
26 May 2014, 10:30 AM ET
From a huge new Mars crater to a new supernova, don't miss these amazing space images of the week for May 25, 2014.
23 May 2014, 02:34 PM ET
DiCaprio plans to fly aboard Virgin Galactic's suborbital SpaceShipTwo vehicle in 2015. A seat on the same flight with the actor sold for nearly $1 million Thursday (May 22) at the annual amfAR auction near Cannes, France.
23 May 2014, 01:03 PM ET
The joystick used by astronaut David Scott to land the Apollo 15 lunar module 'Falcon' on the moon 43 years ago this July has sold for more than $500,000. The sale is believed to be the highest price ever paid at auction for part of a NASA spacecraft.
23 May 2014, 12:12 PM ET
Water was discovered in the Space Exploration Technologies Corp. Dragon spacecraft that recently returned to Earth from a month-long stay at the international space station, but so far as NASA knew May 21, none of the agency’s cargo was damaged.
23 May 2014, 11:56 AM ET
Edward H. White II became the first American to step outside his spacecraft and let go.
23 May 2014, 11:31 AM ET
An AJ-26 engine slated to power Orbital Sciences Corp.'s Antares rocket on a 2015 mission to the International Space Station failed May 22 during a hot-fire test at NASA’s Stennis Space Center in Mississippi.
23 May 2014, 08:47 AM ET
New imagery from NASA's Mars Reconnaissance Orbiter has revealed the 160-foot-wide crater, which scientists have determined was created between March 27-28, 2012. The imagery also reveals possible landslides that occurred as a result of the impact.
22 May 2014, 04:54 PM ET
Next Thursday (May 29), the company will unveil the crewed version of its Dragon spacecraft, which SpaceX hopes will be ferrying people to and from the International Space Station a few short years from now.
22 May 2014, 02:28 PM ET
The crew of the U.S.S. Kearsarge spell out the words "Mercury 9" on the deck.
22 May 2014, 12:04 PM ET
Space.com shadowed a group of students from the University of California, San Diego who were selected by NASA to test an experiment onboard a zero-gravity flight.
22 May 2014, 11:34 AM ET
The private spaceflight company SpaceX is building a giant rocket called the Falcon Heavy. See images of the planned Falcon Heavy heavy-lift booster in this Space.com gallery.
22 May 2014, 11:17 AM ET
A 36-year-old space probe that NASA once thought might be returned from space to be put into the Smithsonian may instead soon resume its original mission thanks a private group's attempt to reawaken the satellite.
22 May 2014, 10:59 AM ET
See photos of the Aegis Ashore Weapon System launch test, the first to launch an SM-3 missile from land, on May 20, 2014. The U.S. Navy performed the test from Kawaii, Hawaii in a flight overseeen by the U.S. Missile Defense Agency.
22 May 2014, 09:07 AM ET
See launch photos for the May 22, 2014 launch of an Atlas 5 rocket carrying the classified NROL-33 satellite in this Space.com gallery. The United Launch Alliance launched the mission for the U.S. National Reconnaissance Office.
22 May 2014, 07:34 AM ET
An unmanned Atlas 5 rocket will launch a classified spy satellite payload for the U.S. National Reconnaissance Office at 9:05 a.m. EDT (1405 GMT) from Cape Canaveral Air Force Station.
21 May 2014, 06:08 PM ET
An astronaut aboard the International Space Station floats before a bank of windows, holding open a children's book and pointing at a drawing of the orbiting outpost. The scene marks the start of the first “Story Time From Space."
21 May 2014, 03:49 PM ET
Should recent geopolitical events ultimately prompt the U.S. government to build a domestic alternative to the Russian-built RD-180 engine that powers one of its workhorse rockets, it probably makes more sense to develop one from scratch.
21 May 2014, 02:37 PM ET
The Satellite Sentinel Project — which has been using spacecraft imagery to monitor human rights abuses in Sudan and South Sudan since December 2010 — will also now conduct investigations, following the money trails that fund mass atrocities.
21 May 2014, 01:09 PM ET
An astronaut examines the protective material on his Mercury capsule.
21 May 2014, 11:44 AM ET
The Special Purpose Dexterous Manipulator (SPDM) aka Dextre, will replace a faulty camera near the elbow of its attached robotic arm. This will be the first self-repair conducted by the the robot.
21 May 2014, 08:33 AM ET
Space.com shadowed a group of students from the University of California, San Diego who were selected by NASA to test an experiment on board a zero-gravity flight.
21 May 2014, 07:01 AM ET
NASA's InSight Mars lander, which is scheduled to launch toward the Red Planet in 2016, passed a key design review Friday (May 16), clearing the way for construction of the spacecraft to begin.
20 May 2014, 04:01 PM ET
Big Joe, a test rocket, had a successful yet failed test flight.
20 May 2014, 03:54 PM ET
Boeing and Samsung are teaming up to find new ways to incorporate mobile technology and applications into the CST-100 spacecraft, which Boeing is developing as part of NASA's commercial crew program.
20 May 2014, 11:35 AM ET
The retired shuttle's new home, the California Science Center, has plans to display the orbiter in launch configuration, equipped with solid rocket boosters and external tank.
20 May 2014, 06:00 AM ET
The space agency's Low-Density Supersonic Decelerator test vehicle is now fully assembled at the U.S. Navy's Pacific Missile Range Facility in Hawaii — the site of its first flight trial, which is currently scheduled for June 3.
19 May 2014, 04:18 PM ET
See photos and images of NASA's ISEE-3 spacecraft, a probe launched in 1978 that is returning for an Earth flyby in August 2014, in this Space.com gallery.