Neytiri's mission to rescue Jake reminds viewers of their love story - and previews the franchise's trip to Earth in Avatar 5.

President Trump disregards them, technology is remaking them — in an age of upheaval, our maps are in flux too ...

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...

Planetes is a cult classic anime that changed how we think of sci-fi. The beloved series is now available to stream on Crunchyroll.

New measurements show Jupiter is slightly smaller and flatter, improving models of its interior and atmosphere.