Moments in human history are etched into the Earth. Now researchers are piecing together evidence of our impact on the planet – through the marks we've left on nature.

The U.S. government wants to select "disparate" locations where it could eventually make bomb-grade uranium again.

Since the Doomsday Clock was recently set the closest to midnight it has ever been, let’s examine just how safe Texas would ...

The United States and South Korea held live-fire drills Monday near the demilitarized zone as tensions remain high with ...

The military wanted to test the electromagnetic impacts of nuclear weapons in space. In 1962 they lit up the sky.