A comet from another star system does not arrive every year. That is part of what made 3I/ATLAS so compelling when it ...

If 3I/ATLAS isn’t an alien probe, its discovery may be even more important. Scientists detected no radio signals from the ...

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

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

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 ...

Radio astronomers have decoded a peculiar repeating radio signal from deep space, tracing it to a vampiric binary star system ...

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to ...

Scientists hunting for radio signals from any form of advanced extraterrestrial life that might be out there trying to contact us are now starting to wonder if something has been messing with their ...

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." When you purchase through links on our site, we may earn an affiliate ...

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...