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Long ago, our solar system lost a planet. The planet, which scientists have since named Theia, found itself barreling uncontrollably toward a young Earth. The resulting impact destroyed Theia, turned ...

Impact craters found around the Earth that were made around the same time could be linked to debris falling from a ring, a new study suggests. By Becky Ferreira If you were to look up from Earth some ...

Aquatic Animals Mystery of golden orb found in depths of ocean off Alaska finally solved: 'Everyone was like, What the heck? What is that?' Geology Thríhnúkagígur: The only volcano on Earth where you ...

Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as once believed. New research from ancient Scottish rocks reveals that during ...

For over a century, scientists have puzzled over why the Green River appears to flow “uphill” through the Uinta Mountains in Utah before eventually joining the Colorado River. A new study suggests the ...