An interstellar comet known as 3I/ATLAS, which swept past the Sun in 2024, could be a 12‑billion‑year‑old relic from deep ...

Astronomers have reported the discovery of an unusual X-ray transient detected by the Einstein Probe that does not fit any ...

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...

A federal investigation uncovered a massive benefits fraud scheme that allegedly drained more than $1.4 million from taxpayer ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Victus Haze is the second mission in the Space Force’s Tactically Responsive Space (TacRS) program, following the 2023 Victus Nox effort in which Firefly Aerospace launched a spacecraft built by ...