The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...

A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have ...

Earth's inner core has changed shape over the past 20 years. A team of scientists studied the core's behavior to understand why its rotation slowed down ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

America’s First National ParkYellowstone National Park holds the title of being America's first national park, and it was ...

The 1956 earthquake was a mainshock–aftershock sequence, with aftershocks lasting at least eight months after the mainshock.