European bears didn't need to retreat south during the last Ice Age, DNA evidence has found?hunting, and not climate, may be to blame for their now-fragmented habitats.

A bed of 115-million-year-old bones lies in the path of pipes for a planned desalination plant meant to supply freshwater to drought-stricken Melbourne.

Divorce rates are driving up the consumption of Earth's critical resources, an ecologist argues.

The city of Chunchucmil once supported a bustling food market, scientists say?poking holes in prevailing theories that Maya rulers controlled and distributed food supplies.

Reefs are getting zapped with electricity as part of a creative effort to save climate-change-afflicted corals in Bali.