New research suggests a comet explosion helped cause ice age extinctions, sudden cooling, and the loss of early human cultures.

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major ...

Astronomers tracking interstellar comet 3I/ATLAS reveal a far bigger story: a colossal, rotating chain of galaxies that may ...

Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

Interstellar comet 3I/ATLAS makes its closest Earth flyby tonight at 1 a.m. EST, NASA confirms. Learn when and how to watch live.

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

The Vera C. Rubin Observatory is expected to detect up to 50 interstellar visitors in the coming years, giving a boost to astronomy ...