The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

In July 2025, astronomers detected 3I/ATLAS, a rare interstellar comet, prompting SETI researchers to scan it for alien ...

Beneath the surface lies an alien ocean packed with bizarre survival strategies, terrifying hunters, and creatures unlike ...

Deep within Uranus and Neptune, immense pressure and heat are transforming carbon into diamonds that rain down through the ...

Current and former intelligence officials say the efforts to shrink the office that coordinates the nation’s 18 spy services ...

Astronomers turned the Allen Telescope Array toward interstellar comet 3I/ATLAS, formally designated C/2025 N1 (ATLAS), ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Astronomers may have witnessed one of the rarest and most dramatic cosmic events ever seen: a long-sought intermediate-mass ...

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...