Tech mogul Elon Musk's recent philosophical post on the nature of reality has sparked widespread interest. His ventures like ...

One of the worlds in the TRAPPIST-1 system, a mere 40 light-years away, just might be clad in a life-supporting atmosphere.

A Martian dust devil made one of its earliest appearances when it photobombed the Perseverance rover during a selfie on May ...

For decades, scientists have puzzled over the deep interior of Mars. Did it resemble Earth, with a solid center wrapped in a ...

A Sept. 10 media teleconference will focus on the analysis of a rock sampled by the agency’s Perseverance Mars rover last ...

A simple core of pure iron and nickel couldn’t account for the observed properties. The Martian core must be rich in “light ...

Finding life beyond Earth would be a major scientific discovery with significant implications for all areas of science and human thought. Yet, only one direct search for extraterrestrial life has ever ...

Separately, the NASA program of humans in space began as a cold war effort but has evolved significantly, especially since the end of the Shuttle era. The short-term goal for humans is embodied in the ...

The popular science writer, whose new book is “Replaceable You,” has steadily offered an embarrassment of trivia while going ...

HOUSTON—Recent remarks by NASA’s acting administrator help define his commitment to keeping the U.S. ahead in space by ...

New research shows that Mars’ mantle holds evidence of its turbulent early history. New research published in Science shows ...

The scientists based their findings on seismic readings from NASA's InSight lander on Mars, which recorded more than 1,300 ...