Scientists probe cosmic visitor from deep space, come up empty in search for alien life

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

Could it be aliens? From Cheyava Falls on Mars to exoplanet K2‑18b—here's what scientists really think

It may seem like we are on the verge of discovering alien life. In 2025, a press release stated that we have the "strongest ...

SETI finds no evidence of alien tech on 3I/ATLAS interstellar comet

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...
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Scientists listened for alien signals from K2-18b, but the silence still matters

Astronomers swept millions of candidates and found no alien signals from K2-18b, setting the first power limit on any ...