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 ...

Scientists at the SETI Institute recently searched for technological signals from 3I/ATLAS, the third interstellar object ...

This is a tale as old as time, or at least as old as the space age: a strange object flies into our solar system, telescopes focus, and before the scientific community can confirm the data, the ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

The most sensational story of the year for astronomers has been the discovery of the comet 3I/ATLAS, which was first observed on July 1, 2025 by NASA's Asteroid Terrestrial-impact Last Alert System ...

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

Ever since astronomers first detected interstellar comet 3I/ATLAS in July, speculation about its true nature has run wild. Some experts speculate it isn’t a comet at all but rather an extraterrestrial ...

The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California found no signs of ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...