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

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

The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Filmmaker Ram Madhvani and former NASA engineer Nimisha Mittal recently engaged in a fun and insightful conversation on alien ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified ...

Astronomers studying the intriguing comet 3I/ATLAS on Monday said that this visitor is incredibly ancient, potentially nearly ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

PARIS: An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and ...