Comet C/2025 K1 (ATLAS) has not just brightened in the inner solar system, it has physically come apart, with observers now resolving three distinct fragments where there was once a single icy nucleus ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Scientists found no alien signals from interstellar comet 3I/ATLAS after a fresh 7-hour radio scan.

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

The NASA/ESA/CSA James Webb Space Telescope observed 3I/ATLAS on December 15-16 and again on December 27, 2025, when the ...

Interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope coincidentally spotted this visitor from the stars over a week before it was officially ...

Comet 3I Atlas is currently ~186 million miles from Earth, which is twice the distance from the Earth to the sun. It is moving away from the Sun now but getting closer to Earth until December 19, 2025 ...