Scientists have unlocked a 815-million-year-old mystery, revealing an astonishing discovery about Earth’s ancient atmosphere.

A top Google futurist says the end of aging may arrive much sooner than expected. Drawing on decades of accurate tech ...

Volcanic ash in central Turkey has unveiled a stunning fossil record that may rewrite the story of mammal and human evolution ...

Far below the reach of sunlight, strange deep-sea residents put on a show no one had ever seen before.

Europe is building a colossal underwater tunnel unlike anything seen before—twice the size of Manhattan and set to cut travel times by hours.