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” ...

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 ...

Today, the style of nature documentary made popular by David Attenborough is so familiar I don’t even need to describe it to you. But it wasn’t always this way. When Attenborough made his series, Life ...