The Argentine ant invaded California 100 years ago, forming “super-colonies” that stretch hundreds of miles. Most ants attack nearby nests. Why have Argentine ants declared peace with neighbors?
Neanderthals survived thousands of years longer in Europe, a new study finds. What does this tell us about the demise of the caveman and the triumph of modern humans?
As kids spend more times indoors, experts wonder what is being lost. Do humans need nature?
Just after humans reached the Western Hemisphere, many large mammals went extinct. Some scientists have blamed hyper-effective human hunting. But a new study fingers changes in climate and environment.
Ancient bacteria used photosynthesis but did not make oxygen. It might have been primitive, but it worked!
Endangered species profiles: Mexican wolf, Houston Toad, Sumatran Rhino, Mountain Gorilla, Mountain mist frog, red-crowned cranes, Delhi Sands flower-loving fly, beluga sturgeon, Higgins’ eye pearly mussel, West Indian manatee, piping plover, Higgins’ eye pearly mussel
Old museum collection sheds light on vanishing land snails of Polynesia.
New tracking systems watch long-distance migrants move across the ocean. Follow whales, turtles and albatrosses across the watery planet.
Alpine Iceman’s home range is detailed through isotopic analysis. How did he make a living 5k years ago?
Scientists have found ice on Mars. The frozen water, whose quantity may equal Lake Michigan, is within a meter of the surface.