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

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

Billions of years ago, environmental conditions on Mars were significantly more hospitable than they are today. Our ...

SpaceX’s IPO was predictably a success, making Elon Musk the world’s first trillionaire. He reiterated his goal of traveling ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

A growing group of researchers is taking a serious look at one of humanity’s most ambitious ideas: transforming Mars into a ...

Starting in 2030, ESA’s rover Rosalind Franklin will search for traces of life on Mars. The MPS is contributing a scientific ...

A look at 10 of the greatest alien sci-fi movies, from Ridley Scott's Alien to Denis Villeneuve's Arrival, none by Steven ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar system and is unlike anything ever before seen in our cosmic backyard, ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...