Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

Explore how cutting edge telescopes, AI, and new detection methods are transforming the extraterrestrial life search and ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

A single alien world can be misleading. A strange gas in an atmosphere might look promising, then turn out to come from ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

Artificial intelligence (AI) is emerging as a powerful tool for one of science’s most ambitious goals: detecting life beyond Earth. But a new study warns that current AI systems may be fundamentally ...

Trump has ordered a UFO data release. But if aliens exist, what would they think of us? - For generations, human beings have ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us? It’s a question that can produce some, well, uncomfortable answers if you happen to be ...

Reverse-engineering the billion-year-old enzyme nitrogenase clued researchers into how life originally formed on Earth — and ...