It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Futurist Michio Kaku sees humans doing ballet on Mars and projecting their brains into the cosmos. And aliens? Oh, they're ...

From stranded astronauts to secret moons to space photos that were once impossible to consider, here are the top space ...

One of the signature shows of the era was the campy sci-fi adventure Buck Rogers in the 25th Century, which followed its ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

The Kepler-22b reveal flips the storyline of the series. What started as a story about Earth going through a bizarre ...

Inside the Anduril-ization of local crime fighting• The Arena: Sports betting is booming—and so are prediction markets• Plus, ...

Caltech is a place unlike any other, an Institute that is truly “small but mighty.” Its small size and the expertise of its ...

NASA has discovered strong evidence for ancient life on Mars, a potentially groundbreaking finding for humanity. In this ...

NASA’s Perseverance rover has made a significant discovery on Mars: a meteorite, which could provide vital clues about the ...