When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

From insects to the moon, people have mistaken very Earthly phenomena for UFOs many times.

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

Photos of amazing, almost unreal places Who needs fantasy? Earth is full of “alien planets” and surreal beauty beyond ...

"Supergirl" writer Ana Nogueira on the movie's key changes from the "Woman of Tomorrow" comic, plus her "Wonder Woman" and ...

In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

A mind wrapped in skin and bone can feel like the obvious model for consciousness. But that assumption may say more about where you live than about what consciousness really requires.

Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...

A "super-family" character gets a chance to be more than eye candy in a cape in this largely satisfying take on a stellar ...

If you’re having trouble imagining how that could possibly work, know that I was in the same boat until I spent an hour with ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...