During a special observation run from Jan. 15 to Jan. 22, the Transiting Exoplanet Survey Satellite ( TESS) repeatedly ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory claims, but a comet.

Nearly half a century after it left Earth, a battered spacecraft built with 1970s electronics is closing in on a frontier no human machine has ever crossed. The probe is not only venturing deeper into ...

I n 2016, NASA launched the Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer (OSIRIS-REx) probe, which famously touched down on asteroid Bennu in 2020, before ...

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.