Water from both volcanic rocks and deep mantle melted Earth's crust 1.6 billion years ago. This long-lasting melting formed ...

A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

How core-mantle differentiation influenced the distribution of volatile elements on Earth. Imagine Earth's history as a ...

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the ...

Scientists discovered complex life may have started 1.5 billion years earlier than previously thought thanks to phosphorus.

The Moon’s surface is covered by impact craters, ranging from microscopic pits to massive basins over 1,000 kilometres across ...

Learn about new evidence that suggests life on Earth may have started with the help of molecules that were delivered by ...

How Did Life Start on Earth? Life arose on Earth somewhere between 3.5 billion years and 3.8 billion years ago, yet the circumstances that allowed this to happen have been subject to constant ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

April 22 is the 55th anniversary of Earth Day. Just five years ago, our planet’s environment ... In 1970, the planet was home to around 3.7 billion people. There were about 200 million cars ...

This finding suggests Mars once possessed a thick, carbon dioxide-rich atmosphere and liquid water, potentially supporting microbial life around 3.5 billion years ago. "The discovery of abundant ...