The wave's round trip to Earth's core set off a fault slip along Japan's plate boundaries, revealing a seismic hazard scientists hadn't recognized.

Three species that lived about 308 million years ago challenge the idea that the first land vertebrates underwent amphibian-like metamorphosis.

Emerging research suggests overusing digital devices can be harmful, especially to mental health. But does being overly online truly rot our brains?

It’s just a matter of time before Sporothrix brasiliensis reaches the U.S. a CDC expert says.

Past super El Niños have brought bad flooding, deadly fires and disease outbreaks. Climate experts already expect “shockingly high” temps this winter.