Scientists found no alien signals from interstellar comet 3I/ATLAS after a fresh 7-hour radio scan.

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

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Scientists failed to find radio signals emanating from interstellar comet 3I/ATLAS, further bolstering its status as a ...

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

The mysterious invisible shield around a planet.

What steps can be taken to identify why we haven’t received radio signals from an extraterrestrial intelligence, also called technosignatures? This is what a recent study published in The ...

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One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...

We might have missed signals from aliens because they are being disrupted by the conditions of space, scientists have warned. Messages being sent from distant planets could be disrupted by activity ...