Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...

Interstellar comet 3I/ATLAS has gone from obscure visitor to front‑page mystery, as a cascade of new images reveals behavior ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

A Houston man was detained by ICE at his final asylum hearing for U.S. residency, despite a determination that he had ...