3I Atlas is one of the newest and most mysterious interstellar objects ever detected entering our solar system. Traveling ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took ...

Nasa has officially declared a Mars probe "unrecoverable" after it scanned a mysterious interstellar object. The first ...

The group leading the charge in the search for extraterrestrial life has given the all-clear: an interstellar comet looks to ...

NASA spacecraft observed the celestial iceball as it swung past Mars last October, venturing within 19 million miles ...

Since the dawn of the solar system, rocky visitors from deep space have blazed across Earth’s skies. When will the next ...

The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California found no signs of ...

NASA's James Webb Space Telescope has collected its first mid-infrared chemical fingerprint of an interstellar object during ...

The James Webb Space Telescope has identified methane gas on interstellar comet 3I/ATLAS, offering new clues about the object ...

Observations with the Allen Telescope Array set new limits on possible signals from extraterrestrial transmitters.

The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California found no signs of ...