A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

Learn about Mars' defunct magnetic field, which may have sustained life on the planet and covered only its southern ...

A new study has upended a long-held theory that asteroids brought water to Earth – as it turns out it may have always been here ...

As scientists discover the most promising evidence of life on a distant planet, experts reveal what that alien life might ...

Researchers have helped overturn the popular theory that water on Earth originated from asteroids bombarding its surface; Scientists have analyzed a meteorite analogous to the early Earth to ...

Remnants of a liquid layer of magma near Earth's core, formed in the first few hundred million years of the planet's history, ...

A fossil collector since childhood, Bob Hazen has come up with new scenarios for life's beginnings on earth billions of years ago. Amanda Lucidon A hilly green campus in Washington, D.C. houses ...

A faint cosmic spin – one rotation per 500 billion years – could resolve the stubborn Hubble tension by tweaking standard ...

Scientist reveal promising signs of biological life on another planet, but trying to reach out to them could be 'a really bad ...

In The Decline and Fall of the Human Empire, science writer Henry Gee considers how long we’ve got, and how we can extend our ...

A reanalysis of paleomagnetic poles provides tighter bounds on the style and rate of motions of our whole planet with respect ...

Diamonds are formed deep within the Earth about 100 miles or so below ... in India were brought to the surface at least a billion years ago and perhaps longer ago. So we're comfortable saying ...