The interstellar visitor Comet 3I/ATLAS passed Earth with Harvard astrophysicist Avi Loeb saying it could be an alien probe.

I/Atlas might have flown by Earth with its closest approach, but it is still doing things that have people totally enamoured. Yes, indeed, 3I/ATLAS has caused chaotic debates online once again, with ...

As interstellar object 3I/ATLAS swept past Earth on 19 December 2025, viral theories claimed cosmic indifference or alien ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

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

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

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