Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

The key to unlocking the secrets of distant planets starts right here on Earth. Researchers at Tohoku University, the ...

If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31.

This model reveals how vastly different the atmosphere was on ancient Earth, and how life may have first emerged.

These “miniature trails of destruction,” as the researchers call them, are caused by high-energy particles bouncing off the nucleus inside a rock, which knocks that nucleus out of place. The resulting ...

"Ancient Earth was nothing like our current home," explains Shungo Koyama (Tohoku University), "It was a much more hostile place; rich in metallic iron with an atmosphere containing hydrogen and ...

Plate tectonics fired up at least 3 billion years ago, study of ancient rocks in Australia indicates —Earth's plate tectonics traced back to 'tipping point' 3.2 billion years ago Every piece of ...

Geoscientists have uncovered that ancient volcanoes emitted carbon dioxide for millions of years beyond their active periods, ...

An asteroid named for the ancient Egyptian god of darkness and disorder may not pose a hazard to Earth, but that does not mean Earth is not a hazard to it.