Before the rise of dinosaurs, Earth was a vastly different place, teeming with life in forms that were strange and unlike ...

Ah, Earth.We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

For the service's 20th anniversary, Google was inspired by a social media trend from last year in which people shared ...