"Everlasting geological signature." Scientists make grim prediction about humanity's legacy in the future: 'The first step to ...

Manufactured objects will form distinctive, if sometimes hard to interpret, clues to human existence, paleontologist authors Sarah Gabbott and Jan Zalasiewicz say.

Meet 33 innovative leaders who are using their voices and talents to tackle the planet’s most pressing issues. For decades, the Congo Basin was largely invisible to climate science. Now, a new ...