Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

A Solar eclipse was one of the phenomena that prompted the ancient Greeks to come up with the most brilliant astronomic ...

'Dad had a gun under his pillow': The story of how the largest collection of medieval coins was found The Fishpool Hoard is ...

See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.

Astronauts and robotic spacecraft have captured breathtaking photos of Earth from space for decades. See the best images.

Deep within Earth’s core, scientists are uncovering signs of a hidden structure that challenges long-standing models of the planet’s interior.

Earth Day began as a protest in 1970, but its meaning has evolved. Here’s how it changed - and what it represents today.

"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity ...

A river on fire in Ohio, a massive oil spill in California and a senator fighting for change: This is the story of how Earth ...

From Ian McKellen as Gandalf to Viggo Mortensen as Aragorn, these are the actors who have been replaced by others in the Lord ...

Millions across the globe will pause this Wednesday to observe Earth Day, an annual event conceived to ignite activism for ...

The scientific wonderers at What If fast-forward through billions of years of geological and biological change to show the ...