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

The SETI Institute says it found no evidence of technosignatures during a comprehensive examination of the mysterious ...

The James Webb Space Telescope observed a large amount of methane around 3I/ATLAS, revealing just how different it is from ...

3I/ATLAS is one of the few known interstellar objects ever observed passing through our Solar System. Scientists around the ...

Observations with the Allen Telescope Array set new limits on possible signals from extraterrestrial transmitters.

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took ...

Since the dawn of the solar system, rocky visitors from deep space have blazed across Earth’s skies. When will the next asteroid or interstellar object make its pass by our planet?

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

NASA spacecraft observed the celestial iceball as it swung past Mars last October, venturing within 19 million miles ...

Nasa has officially declared a Mars probe "unrecoverable" after it scanned a mysterious interstellar object. The first ...

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

A cosmic traveler from beyond our solar system is making its closest approach to Earth this week, offering astronomers and stargazers a fleeting opportunity to witness a visitor from another star ...