Humans will likely go extinct eventually, leaving behind a planet that has to adjust in their wake. While there is no true consensus as to what a human-free world will look like, there are a number of ...

"The pace of change we’re seeing today is unlike anything we know of in the past 66 million years," said ecologist Jack Hatfield.

Earth's invisible magnetic field acts as a vital shield, protecting life from dangerous cosmic radiation and solar particles. Generated deep within th ...

Philadelphia police have found human remains near where investigators were searching for a 23-year-old woman who disappeared ...