Want to watch 'Earth: Making of a Planet' at home? Here’s where you can watch it, including streaming and cable services with rental, purchase, and subscription options, all in one place. As of now in ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their ...

Our solar system may be the odd one out. Across the Milky Way, astronomers keep finding super-Earths, planets larger than our ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...