The Asteroid Terrestrial-impact Last Alert System (ATLAS) in Chile first saw this celestial wanderer on July 1, 2025. It is ...

Interstellar object 3I/ATLAS nears Earth with a bizarre 'anti-tail' and 14 anomalies. Is it a comet or alien tech?

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

"As far as we know, no coordination or deconfliction with existing satellites operating in space was performed, resulting in ...

Incredible but true! A Harvard astrophysicist puts forward a startling hypothesis: comet 3I/ATLAS could be an alien ...

The prevailing consensus is that 3I/ATLAS behaves like a comet because it is, quite simply, a comet, albeit one with a ...

MAVEN (short for "Mars Atmosphere and Volatile Evolution") has been silent since Dec. 4, despite repeated efforts to hail the spacecraft, NASA announced in an update on Monday (Dec. 15). And a ...

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

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

I/ATLAS interstellar comet or alien spacecraft? NASA released new images of comet 3I/ATLAS after a rare flyby near Earth. Scientists explain what the object is, how to see it today, and why it matters ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS ...