Planet Earth

As scientists had feared, the National Science Foundation announced it was canceling the U.S. Antarctic research program for this year because of the ongoing government shutdown.

The Earth performed the ultimate magic trick last week, making an island appear out of nowhere.

The surface of ancient Mars may have been rocked repeatedly by giant supervolcanoes, which unleashed colossal and explosive eruptions that forever changed the face of the Red Planet, scientists say.

Newfound fossils hint that flowering plants arose 100 million years earlier than scientists previously thought, suggesting flowers may have existed when the first known dinosaurs roamed Earth,...

One of the worst wildfires in California's history continues to burn in Yosemite National Park, where employees will be furloughed following the government failure to pass a budget.

A 2,200-page report released by the U.N. today details the scientific data behind alarming predictions for the planet's climate issued on Friday. Yet it offers little additional explanation for one...

U.N. scientists are 95 percent certain that humankind is responsible for global warming. Yet the planet has largely stopped heating over the past 15 years, data shows -- and a landmark report...