In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...
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 ...
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 ...
"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...
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 ...
A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.