Billions of years ago, another planet smashed into Earth. An event of this epicness could have created our Moon. It also ...

In a great year for premium TV, the standout theme was the re-emergence of the science fiction genre with shows that were ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

Alien: Earth season 2 is shaping up to be a thrilling blend of Jurassic Park and Alien, with Neverland Island becoming a ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

"It's really not a question of robotic exploration or human exploration," Ehlmann said. "It is an 'and' — it's robotic and ...