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

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

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 ...

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 ...

"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 ...

When the ancient 'God of Chaos' asteroid skims close to Earth it could have a major reaction and be transformed.

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

Eos, the ancient Greek goddess of the dawn, with her abode the sky, was perhaps the most resplendent of all the beings in the Greek pantheon.