Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

If and when SETI discovers alien life, then a revised Declaration of Principles guarantees that once the discovery has been verified, its disclosure will come soon thereafter. When you purchase ...

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Add Yahoo as a preferred source to see more of our stories on Google. While the scientific community has overwhelmingly concluded it’s a comet, researchers wanted to find out for sure whether 3I/ATLAS ...

This is read by an automated voice. Please report any issues or inconsistencies here. Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar ...

Researchers at the SETI Institute found no evidence of alien technology after analyzing radio signals from the object. 3I/ATLAS was the third comet ever discovered originating from outside our solar ...