The earth has experienced five mass extinctions, and some experts believe we may be on the brink of the next one. With ...

Earth's biodiversity is in crisis. An imminent "sixth mass extinction" threatens beloved and important wildlife. It also ...

Severe threats to the health of humans and other species derive from degradation of Earth's life-support systems, particularly the impacts of climate change. Researchers and practitioners in clinical ...

The collision of a meteorite in what is now Arizona left an indelible mark: Meteor Crater. At nearly the same time, a massive landslide blocked the Colorado River, creating a temporary lake in ...

Last week, torrential rain south of Wawa tore through Highway 17 between Batchawana Bay and Montreal River. For Manitoulin Island—with its fragile single access point on Highway 6—such an event ...

The mammal in question is the Falkland Islands wolf ( Dusicyon australis ), the first canid known to have been driven to ...

Climate change is exacerbating extreme heat waves across the country, burdening families, putting Americans’ health at risk, driving up utility bills, straining ecosystems, and deepening inequality.