Earth is 4.5 billion years old and the experiment of life worked out pretty well, from the earliest life in the oceans to the land now, to humans… I'd say if we self-destruct and obliterate ...

U-Pb dating now has an expected uncertainty of 1% or less. Stromatolites: You Can't Spell Mold Without Old One of the big ...

Texas A&M engineers have won a grant from the U.S. Department of Energy to perfect a method of extraction that could save ...

New data from the comet is renewing interest in the idea that comets might have helped deliver water to Earth. The debate now focuses on hydrogen isotopes, dust interference, and the solar system ...

rex and Co. ended around a measly 66 million years ago, but geologists just discovered that what is now considered the oldest impact crater on Earth is nearly 3.5 billion years old. Earth itself ...

A mysterious layer of space dust that coated Earth millions of years ago could be shrapnel from asteroids that smashed into the moon, according to a new analysis of soil from below the sea floor.