America's geological wonders don't need erupting volcanoes to create breathtaking spectacles that look straight out of a science fiction movie. From towering mushroom-shaped rocks to mysterious moving ...

Imagine peeling back miles of frozen white and revealing valleys, rivers, and mountains that haven't seen sunlight in tens of millions of years. Long before Antarctica froze over, rivers carved ...

"Alien: Earth" follows a group of soldiers as a ship carrying a Xenomorph crash-lands on Earth. The FX TV series is set in the same universe as the "Alien" movies. Here's when "Alien: Earth" takes ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Sydney Chandler as Wendy in ...