A new analysis of hundreds of studies says that almost every aspect of life on Earth has been affected by climate change ... and that's not good news for humans.
California has dry spells, but the state hasn't had exceptional drought since at least 2000. Now, about 20 percent of California is in exceptional drought, and many trees have died.
A Chinese construction crew unearthed a new dinosaur fossil. It had feathers and a beak. A scientist called it "one of the most beautiful, but saddest, fossils I’ve ever seen."
It'll be the hottest year on record unless the final weeks of 2016 are the coldest of the 21st century so far, according to the World Meteorological Organization.
The Arctic's multi-year sea ice - ice that survives the summer melt - is weaker and there's less of it. Satellite images show the difference between 1984 and now.
Mount Hekla is Iceland’s 3rd most active volcano. A large eruption in 1104 earned it the moniker Gateway to Hell. Is Mount Hekla overdue for another eruption?
Thinking of the ant colony as a superorganism, entomologist Patricia Pietrantonio is searching for the master regulator genes that may help control them.