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

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

Microorganisms from our planet could survive on celestial bodies where water is present, such as Mars. That is the conclusion ...

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 ...

Tommaso Zaccaria, a researcher at Radboud University Medical Center in the Netherlands, has found that terrestrial ...

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

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...

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