These are the weirdest comic book crossovers. You can do anything in comic books. Unlike other media, which require gigantic ...

Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

"Understanding how spaceflight impacts the human brain is crucial as space exploration and tourism expand," a ...

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.

From Godzilla Minus One to Eternal Sunshine of the Spotless Mind, here are the best sci-fi movies from each year, between ...