We might commonly think of Earth as having an oxygen-dominated atmosphere, but in reality the molecule makes up only a fifth of our air. Most of what surrounds us is nitrogen, at 78 percent. Astrobiologists are beginning ...
Gaze up into the sky and you'll see something rare. And, no, it won't be Santa. He and his reindeers will have already zoomed across the horizon.
NASA announced on Tuesday it has suspended the March 2016 launch of its InSight mission to Mars because of problems with a key scientific component.
Two Americans aboard the International Space Station are gearing up for a spacewalk early next week to free a stalled rail car.
Asteroid 1998 WT24 safely flew past Earth on Dec. 11 at a distance of about 2.6 million miles (4.2 million kilometers, 11 lunar distances). During its flyby, NASA scientists used the 230-foot (70-meter) DSS-14 antenna at ...
A U.S. shipment of much-needed groceries and other astronaut supplies rocketed toward the International Space Station for the first time in months Sunday, reigniting NASA's commercial delivery service.
NASA hopes to resume commercial shipments this week to the International Space Station, following months of frustrating delay.
SpaceX received orders Friday from the US space agency to send astronauts to the International Space Station in the coming years, helping restore US access to space, NASA said.
The International Space Station has taken a power hit, and spacewalking repairs may be needed. First, though, a replacement part must be delivered via rocket.
NASA astronaut Randy Bresnik photographed Orbital ATK's Cygnus cargo spacecraft at sunrise, prior to its departure from the International Space Station at 8:11 a.m., Dec. 6, 2017. Expedition 53 Flight Engineers Mark Vande ...