SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

SETI scanned 3I/Atlas for more than seven hours and detected no signs of extraterrestrial technology; The comet is only the ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

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

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars ...

James Webb has revealed that the sunrise and sunset sides of WASP-121 b have surprisingly different atmospheres.

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. When astronomers first discovered 3I/ATLAS in July 2025, the icy ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a ...