An analysis of Hawaii’s volcanic rocks revealed Earth’s core is leaking gold and other precious metals, a study found. The ...

Explore the chilling stories of 5 unsolved cases, including the mysterious disappearance of Dutch students Chris Kramers and Lee San Fran in Panama. These haunting mysteries will keep you on the edge ...

Several key moments in Earth's history help us humans answer the question "How did we get here?" These moments also shed ...

A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...