When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...

For roughly 2 billion years of Earth's early history, the atmosphere contained no oxygen, the essential ingredient required ...

An interview with ‘Age Of Disclosure’ director Dan Farah, who explains the "Cold War" for alien technology and why ...

A major study shows complex cells evolved gradually in an oxygen-poor world, challenging long-held assumptions about life’s ...

There are roughly 2.5 million known species on the planet, but scientists estimate that's only a fraction of the biodiversity on Earth. A new study shows we're finding new species like never before.