The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is ...

Radio telescopes have long scanned quiet patches of sky for a lone, artificial-sounding ping, but a growing body of research ...

One night in 1957, Antônio Vilas Boas was plowing his field in rural Brazil when he saw mysterious red lights flying through the sky. What he presumed was a spacecraft landed in a nearby field.

Here’s what you’ll learn when you read this story: Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the ...

New research casts doubt on the prospects for a habitable, active environment beneath the frozen surface of Jupiter’s moon ...

Researchers at University of Tsukuba have, for the first time, recorded the songs of the Chinese hwamei Garrulax ...