The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

Researchers are developing bioplastic bubbles from algae that could grow, repair, and protect habitats on Mars without ...

Olympus Mons on Mars is the tallest mountain in the solar system, rising an astonishing 21 kilometers high, nearly two and a half times taller than Mount Everest. But its true scale isn’t just about ...

The LaserSETI project, a pioneering initiative from the SETI Institute, continues to push the boundaries of optical SETI ...

NASA’s Perseverance Rover may have uncovered one of the most extraordinary phenomena on Mars yet—potential evidence of ...

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...

A hidden box-lattice suggests groundwater sculpted Mars long after surface water fled; Curiosity’s drills aim to confirm the ...