A recent study reveals that slow ocean expansion 15-6 million years ago caused sea levels to change and drop by up to 30 ...

New research shows that North America is slowly sinking into the earth, and there's nothing we can do to stop it.

The tropics, where biodiversity and interactions among species abound, provide an alternative view of relationships between ...

A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence ...