NASA astronaut Jonny Kim has returned to Earth after an eight-month mission aboard the International Space Station. He ...

NASA’s Chandra telescope uses a new X-arithmetic method to compare X-ray energies and show how supermassive black holes shape galaxy clusters and galaxy groups, revealing differences in gas movement a ...

This stunning image is full of young star clusters.

Using the XRISM space telescope, scientists spotted faint emissions of the elements in remnants of the Cassiopeia A supernova ...

NASA funds new software to enhance drone navigation over featureless Martian terrain. This initiative supports autonomous ...

A giant, 250,000-mile X-ray cloud has been found around the interstellar comet 3I/ATLAS, baffling experts. Discover why this ...

Avio will build solid rocket motors in Virginia. The governor of Virginia, Glenn Youngkin, announced Wednesday that Avio USA ...

Interstellar comet 3I/ATLAS, a visitor older than the Sun, has stunned scientists with a colossal, puzzling X-ray cloud ...

When NASA scientists opened the sample return canister from the OSIRIS-REx asteroid sample mission in late 2023, they found ...

Bennu samples reveal biological sugars, a strange, gum-like material, and ancient stardust that shed light on the early solar ...

Most smaller galaxies may not have supermassive black holes in their centers, according to a new study using NASA's Chandra X ...

Learn more about brown dwarfs, the cosmic misfits that blur the line between planet and star.