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The climate on such a world must be beyond bizarre. A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away. The planet, known as HD ...

Potential patches of Earth's ancient crust, sometimes called "sunken worlds," may have just been discovered deep within the mantle, thanks to a new way of mapping the inside of our planet.

Map of areas that experienced ecosystem climate stress in the Arctic-boreal region ... Check us out on EarthSnap, a free app brought to you by Eric Ralls and Earth.com.

With TimeMap.org, you can do just that—no time machine required. This interactive history map lets you dive into the past, offering a unique way to see when, where, and how historical events ...