Another invisible line is the Qinling-Huaihe line, which separates China into two distinct regions: the humid and subtropical south and the dry, temperate north.

The same goes for anybody who went for a plesiosaur: they weren't dinosaurs, and neither were their flying pals. “You may ...

Understand the moon phases and you can wager a pretty good guess for when the next full moon is no matter where we are in the ...

Scientists who just months ago confirmed that Earth’s inner core recently reversed its spin have a new revelation about our ...