NASA

The successful resupply mission capped a string of recent failures, which have raised questions about NASA's relationships with commercial spaceflight companies.

Beijing has promised to drastically reduce its level of carbon emissions within 20 years.

The glider, named Prandtl-m, would go through a series of tests before it's deployed on Mars sometime in the early 2020s.

SpaceX's Falcon 9 rocket was in the air only a couple of minutes before the unmanned vehicle exploded as the result of "an anomaly on ascent."

Russia has planned a lunar mission for 2029-2030, but the mission is not seen as a technological race with the U.S., which is targeting Mars.

The collaboration is named Sidekick and will use HoloLens to provide astronauts with virtual aid.

A new operations center in Virginia will help the U.S. Defense Department track satellite movements in outer space.

The Neptune-sized planet, located just 30 light-years from Earth, is bleeding out hydrogen from its atmosphere, giving it a distinctive appearance.

You can now see a "space cheeseburger" in high-definition and other life adventures from astronauts in space.

The Buran orbiter was a response to NASA's space shuttle program, but it was abandoned in the early 1990s.

Two of the tiny spacecraft, each about the size of a briefcase, would piggyback on an Atlas V rocket carrying NASA’s InSight lander to Mars next March.

Sen. Bill Nelson said during a speech on the Senate floor, "We need to wake up to what's happening."

The project between the telecom giant and federal space agency plunks down $500,000 on research that's overdue.

"Right now, it's about an eight-month mission," NASA administrator Charlie Bolden told reporters. "We'd like to cut that in half."

NASA has announced a $2.25 million prize for anyone who can successfully design and build 3-D printed habitats for extraterrestrial colonies.

The three ISS crew members waiting to come home get a boost from the corrected orbit.

A NASA experiment suggests Europa's distinctive striated appearance may be a result of salt from an underground ocean seeping up to the surface.

The failed resupply mission by a Russian cargo ship triggered a new schedule for spacecraft traffic to and from the International Space Station.

Before its planned demise last week, NASA's Messenger gathered crucial data that is now helping scientists shed light on the planet's past.

Congressional critics say the Earth-studies programs run by NASA have contributed a great deal to scientists’ understanding of climate change.

The latest photos, taken by New Horizons' telescopic imager, show bright and dark features on the dwarf planet's surface.