The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

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

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

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

Discover six hard sci-fi films where science shapes story and emotion, like Europa Report and The Martian. Brainy, emotional, ...

For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...

At Drive-Thru Tree Park in Leggett, that’s exactly what you get to do with the famous Chandelier Tree. This giant coast redwood has a tunnel carved right through its base that’s big enough for your ...

Edward Leedskalnin was a tiny Latvian guy who got his heart broken and decided the appropriate reaction was to build an ...