Herpes viruses reactivate in more than half of crew aboard Space Shuttle and International Space Station missions, according to NASA research published in Frontiers in Microbiology.
This fuzzy orb of light is a giant elliptical galaxy filled with an incredible 200 billion stars.
On Dec. 18, 2018, a large "fireball" -- the term used for exceptionally bright meteors that are visible over a wide area -- exploded about 16 miles (26 kilometers) above the Bering Sea.
A spacewalk outside the space station, testing a motor critical to the safety of Orion, and some surprising findings about asteroid Bennu ... a few of the stories to tell you about - This Week at NASA.
NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.
In the Integration Building at the Baikonur Cosmodrome in Kazakhstan, the Soyuz MS-12 spacecraft is ready for encapsulation into the nose fairing of the Soyuz booster rocket March 6.