Life-forms made of stuff we couldn’t imagine may still be as conscious as we are.

A pair of stubborn molecules, prized because they can survive deep time, just passed an important Mars test by failing a very ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

Unsplash When a piece of space rock punches through a greenhouse roof and buries itself in cultivated soil, the event sits at ...

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

Astronomers say interstellar comet 3I/ATLAS may be up to 12 billion years old, making it far older than the Solar System. New ...

DNA from ancient humans has been found on a prehistoric cave painting and on cave walls, demonstrating the potential to one ...

Mars Perseverance rover found hundreds of complex carbon signatures in Jezero Crater mudstones - compelling evidence, but not ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

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