Add Yahoo as a preferred source to see more of our stories on Google. A group of Dimetrodon's hunting in a Permian era environment. (Stocktrek Images, Inc./Alamy Stock Photo) The strength of Earth’s ...

Our magnetosphere plays the role of gatekeeper, repelling unwanted energy that's harmful to life on Earth, trapping most of it a safe distance from Earth's surface in twin doughnut-shaped zones called ...

The simulations showed that the gravity hole was initially much less pronounced. Between roughly 50 million and 30 million years ago, however, it intensified significantly. This period coincides with ...

These ancient cores may contain clues about an unexplained change in Earth’s glacial-interglacial cycles, and could shed light on how human-generated emissions will shape our planet’s future. Reading ...

A mysterious cosmic object is sending pulses of radio and X-ray waves to Earth every 44 minutes, leaving astronomers baffled and eager for answers. Astronomers have discovered a cosmic anomaly that’s ...

While many science books would have you believe the Earth's lower mantle—the layer deep below the crust—is smooth, it's actually made up of a mountainous-like topography that moves and changes just ...