Plate tectonics, or the recycling of Earth’s crust, may have begun much earlier than previously thought—and may be a big ...

Just as astronomers use powerful telescopes to peer into the vast expanse of the universe, climate scientists use ...

We have an extremely incomplete picture of what these snowball periods looked like, and Antarctic terrain provides different models for what an icehouse continent might look like ... has made studying ...

Let's take a quick tour of the solar system, asking at each place how long its light takes to reach us here on Earth ... allow us to look billions of years into the past and to reconstruct ...

From space, the Earth looks like a sphere or a ball ... can zoom in and see a bird’s-eye view of where you live. In the past, maps were hand-drawn by using careful measurements of the ground.

We’ve all seen beautiful images of the Earth from space, some photographed by astronauts and others collected remotely by orbiting satellites. So why doesn’t our planet look round when we’re ...