Harvard astrophysicist Avi Loeb says interstellar comet 3I/ATLAS likely comes from the Milky Way's disc, as astronomers ...

An experiment mimicking conditions on the Saturn moon suggests that cell-like bubbles don’t form in methane lakes, puncturing hopes for alien life.

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

Anduril Industries announced on Wednesday that it is acquiring ExoAnalytic Solutions, a space intelligence firm that operates a vast network of sensors monitoring the veiled movements of satellites ...

Denver-based Lux Aeterna has secured $10 million in seed funding to develop a reusable satellite designed to survive atmospheric reentry and fly again with new payloads, starting with a demonstration ...