After months aboard the International Space Station, Scott Kelly and Mikhail Kornienko are coming home.
While the space agency would see cuts across most of its programs, it has been spared the worst compared to the government’s other research agencies.
Researchers used freeze-dried sperm that spent nine months on the International Space Station to produce healthy pups on Earth.
Astronomers all over the world are rushing to train their telescopes on it.
“I didn’t want to screw it up,” thought Kate Rubins, the first person to carry out this experiment in microgravity.
The interaction between radio transmissions and high-energy particles in space sometimes forms a shield around the planet, protecting it from dangerous cosmic phenomena.
Researchers are using high-resolution satellite images to count the large birds on remote islands.
Astronomers combined telescope observations across the electromagnetic spectrum to produce a glittering new image of the Crab Nebula.
It’s not clear what the U.S. Air Force’s X-37B is supposed to do—or if it’s worth its hefty price tag.
Faced with exile in Siberia, some of Russia's best scientists opted to do research for the government behind bars.
Hubble provides a new look at some of the deepest observations of sparkling galaxy clusters ever made.
The James Webb will soon travel from Maryland to Texas, and the move requires a lot more than a “fragile” sticker slapped onto on the side of a box.
Unlike in other policy areas, the president can pay significant attention to the U.S. space program with little risk of backlash.
For the probe, it’s one dive down between Saturn and its rings, 21 more to go before the end of its mission.
… and if so, where should we look for evidence?
A distant galaxy curved the light of a cosmic explosion, making it appear in four separate images when it reached Earth.
… and soon they can look for signs of life on it.
Astronomers hope a final Cassini flyby will solve a mystery in one of Titan's lakes.
A new study scanned 5,600 stars for tiny emissions of light, which may be the best way for an extraterrestrial civilization to signal its existence.
Hydrogen in the jets suggests that Earth-like processes may be operating deep in Enceladus’s ice-capped ocean.
NASA’s Cassini probe will soon plunge into Saturn, ending its 13-year mission to the ringed planet and triggering a wave of grief among scientists, engineers, and an adoring public.