An alien comet is slipping away forever. For a few hours only, a livestream will show its final cosmic goodbye.

Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

The third known visitor from interstellar space, comet 3I/ATLAS, is putting on a show that plays out in high‑energy light ...

Last July, Earth's radio telescopes targeted an interstellar comet traversing our solar system—the third confirmed ...

Interstellar comet 3I/ATLAS is now barreling away from the sun, never to return to the solar system. There's one more chance ...

Astronomers are using China's powerful FAST radio telescope to chase after 100 intriguing signals detected by the SETI@home ...

Scientists at NASA are intensifying observations of a massive interstellar comet that briefly vanished behind the Sun before ...

A January 2026 Earth–Sun alignment allows measurements of the opposition surge from interstellar object 3I/ATLAS using ...

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

NASA has formally concluded that 3I/ATLAS, the third confirmed interstellar object ever detected passing through the solar ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...