Scientists are predicting that Earth's eighth continent could develop a lot sooner than initially thought. We'll be long dead ...

The exoplanet HD 20794d swoops in and out of its habitable zone every few hundred days, making for an extreme climate.

With the help of technology, we can tune into the hidden sounds of our planet, from the pull of the moon on our mountains and cities to a silent rumble so deep and powerful, it can move the earth ...

Though scientists aren't sure how the lithosphere came to be divided into plates, certain aspects of Earth's geology keep the plate tectonic engine chugging along. For a planet to sustain plate ...