Zero-gravity burping and other little-known space secrets
New book features stories from one-on-one conversations with astronauts -- the kind you might not hear at a buttoned-up NASA press conference
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New book features stories from one-on-one conversations with astronauts -- the kind you might not hear at a buttoned-up NASA press conference
NASA scrambles to recover full function to the space probe 75 million miles away
A SpaceX Falcon 9 rocket lifted off carrying supplies and experiments and, in a first, landed the booster's first stage on an off-shore barge
A SpaceX Falcon 9 rocket is poised for launch Friday with a cargo that includes an experimental, inflatable habitat
One of the biggest black holes ever detected is 17 billion times the mass of the sun
NASA released a stunning close-up view of a shadowy Saturn
A basin in the southern hemisphere of Mars might prove the best place to look for sings of life
Images from 16-year database include everything from an EF-5 tornado to volcanic eruptions in Iceland
Astronomer captures video of a giant space rock crashing into the largest planet in our solar system
This is the time of year Arctic sea ice normally reaches its peak, but an unusually warm winter is taking a toll
United Launch Alliance is delaying the next launch of an Atlas 5 rocket after a first-stage problem during space station flight
New research examines the causes of Jupiter's X-ray equivalent of Earth's Northern Lights
Multicolored map of gravitational fields offers a clearer understanding of the Red Planet's interior
NASA hopes to learn more about how to protect astronauts from one of their biggest fears: a fire aboard a spacecraft
"We are in a new era," one climate scientist observes
The Apollo 11 astronaut shares his thoughts on the future of space travel, college basketball and more
European Space Agency's most ambitious Mars mission yet -- an orbiter and an experimental lander -- is on its way to the Red Planet
The record-setting astronaut, just back from nearly a year in space, is making a big change
Camera aboard the DSCOVR satellite captured the moon's shadow moving across Earth
After a two-year delay, the InSight Mars lander has a new scheduled launch date
NASA is testing the astronaut to see the effects of his record-breaking trip, but Kelly opens up about its impact beyond the physical
CubeSat school project launched on a rocket in December and is now aboard the International Space Station
The rare sight will only be visible in certain parts of the world - or on a live webcast
"I never felt completely normal up there," Kelly says of his record-setting stay aboard the space station
Galaxy formed relatively soon after the Big Bang, letting astronomers take "a major step back in time"