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.
The new Antarctic safe zone in the Ross Sea will encompass 600 thousand square miles (1.5 million square km) and be the largest marine protected area in the world.
"Even one of these gigantic glacier avalanches is very unusual. Two within close geographical and temporal vicinity is, to our best knowledge, unprecedented."
Learning to pull strings for food is often used to test the intelligence of apes and birds. Turns out, bees can learn it too, and pass the skill on to other bees.
This little guy looks like a big-eyed mouse, but a new genetic analysis puts tarsiers on the branch of the primate evolutionary tree that leads to great apes and humans.