From the first embers stirring in China, the SARS-CoV-2 virus has been a stealthy wildfire, flaring with deadly efficiency when it happens upon the opportunistic combination of people and place. In ...

A new global analysis of the last 19 million years of seafloor spreading rates found they have been slowing down. Geologists want to know why the seafloor is getting sluggish. A new global analysis of ...

Superficial spreading melanoma is a form of melanoma where the tumor spreads outward, close to the skin’s surface. Symptoms can include a spot with an irregular border, a dome-shaped growth, and more.