Decline of Arctic’s thickest sea ice

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 was called Gateway to Hell

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?

Science fights to control fire ants

Thinking of the ant colony as a superorganism, entomologist Patricia Pietrantonio is searching for the master regulator genes that may help control them.

6.6-magnitude earthquake rocks Italy

Felt in Rome, it's the strongest earthquake to hit Italy in 36 years and the largest in an on-going sequence of damaging earthquakes in Italy in 2016.

Huge new Antarctic marine reserve

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.

2nd massive ice avalanche in Tibet

"Even one of these gigantic glacier avalanches is very unusual. Two within close geographical and temporal vicinity is, to our best knowledge, unprecedented."

Bees can learn to pull strings for food

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.

Tiny tarsier is our distant cousin

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.

What did dinosaurs sound like?

The discovery of the fossil vocal organ of an ancient Antarctic bird suggests that dinosaurs couldn't sing, but maybe honked.

The sound of climate change

Two scientists have set the CO2 record at Mauna Loa - world’s longest-running measure of atmospheric carbon dioxide - to music.