New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A ...

Astronauts and robotic spacecraft have captured breathtaking photos of Earth from space for decades. See the best images.

The live event will take audiences on an extraordinary journey through a century of exploration and discovery in the natural ...

See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.

Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

How much do you know about our planet? Here are the amazing, odd and downright cool Earth facts scientists learned in the ...

About 71% of Earth’s surface is covered by water, and 96.5% of that water is found in the oceans.

A nearby Earth-sized planet offers a rare chance to study how atmospheres survive or disappear on rocky worlds.

Planet Labs is leveraging its Earth-imaging platform to become a provider of actionable artificial intelligence (AI)-powered analytics.