A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before ...

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.

Scientists believe turbulent “space weather” around distant stars could be scrambling potential alien signals before they ...

3I/ATLAS interstellar comet or alien spacecraft? This question gained attention after NASA released new images of comet 3I/ATLAS on 18 December. The images were captured by the Europa Clipper ...

Space scientists have released a new image of the enigmatic space rock that traveled through our solar system. Researchers revealed the photograph shows the interstellar Comet 3I/ATLAS - speculated to ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

"We all would have been thrilled to find technosignatures coming from 3I/ATLAS, but they're just not there." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

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.