Earth is covered in water—but scientists still debate how it got here in the first place. This video explores the mysterious origins of Earth’s oceans, from exploding stars and ancient meteorites to ...

Scientists trying to work out whether a star exploded and the resulting debris crashed into Earth 10 million years ago may be one step closer to solving the mystery. They discovered an unusual amount ...

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers discovered that bridgmanite deep in the mantle can store far more water at high ...