When astronomers observe distant exoplanets, they sometimes encounter a frustrating result: instead of revealing the chemical fingerprints of an atmosphere, the data appear almost completely flat.

A METEORITE that smashed though a roof and into a New Jersey bedroom may contain the chemical blueprints of alien life.

Red and white dwarfs may turn out to be the most promising objects for searching for hypothetical Dyson spheres, systems ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

English science fiction writer Arthur C. Clarke once said, “Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” It’s a line that has motivated ...

English science fiction writer Arthur C. Clarke once said, "Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying." It's a line that has motivated ...

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The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires dismantling most of what you think life means — and the video that explains it ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. Harvard physicist Avi Loeb, left, listens as ...

L3Harris Technologies has secured a contract from NASA to develop critical technologies for the Habitable Worlds Observatory, a next-generation space telescope designed to search for signs of life on ...

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