These massive holes in the ice, known as polynyas, may appear more often as climate change advances.
If we were on track to curb climate change, methane levels would be dropping. Instead, they are spiking.
Analysis of trash mounds shows how a regional hub collapsed after the onset of the Late Antiquity Little Ice Age.
Indoor temperature and moisture in the U.S. is closer to climates in Africa than to anywhere else on Earth.
Researchers match recent and future climates to show what American cities will be like in 60 years.
The Ross Ice Shelf appears to be melting in previously unknown ways. The same mechanisms could be melting other giant ice shelves, too.