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

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

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

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

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

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 ...

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

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

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

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 ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...