High-speed video shows how far one drop of water really goes.
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.
Heat-tolerant prehistoric enzymes might help produce valuable chemicals and biofuels.
They probably evolved to make mushroom-eating insects lose their appetites.