The 3I/ATLAS comet, which some space boffins believe may be an alien craft, was spotted emitting life-giving organic matter ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

Interstellar comet 3I/ATLAS dramatically brightened after passing the Sun, with Harvard astrophysicist Avi Loeb warning it could be a hostile alien spacecraft whilst NASA's SPHEREx telescope shows nor ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

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.

WASHINGTON — NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a comet probably even older than our solar system, as space agency ...