Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to ...

Scientists discovered a mysterious reversal in Earth’s molten core flow beneath the Pacific using satellite data from space.

Pillars of hot rock appear to connect continental-size moving blobs at the bottom of Earth's mantle to giant volcanic eruptions at its surface. Yellowstone's volcano may be fueled in a very different ...

Earth is often imagined as a stable world, ancient, solid, and mostly unchanging beneath the surface. In reality, the planet ...

Add Yahoo as a preferred source to see more of our stories on Google. The slice you see cut out of the Earth reveals its core, depicted here in bright yellow. fhm/E+ via Getty Images Our Earth is ...

A cluster of at least three asteroids between 20 and 50 kilometres across colliding with Earth over 3.2 billion years ago caused a massive change in the structure and composition of the earth’s ...

Scientists have found a massive reservoir of water buried about 700 kilometers below Earth’s surface, and it could hold three ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

A view of one part of the Paleontology collection in the Museum of Natural History, arranged by the addition of representative specimens from other parts of the three floors of fossils in the East ...