Increasing day length on the early Earth boosted oxygen released by photosynthetic cyanobacteria.
Genomic evidence shows that Denisovans and modern humans may have overlapped in Wallacea.
Evapotranspiration is the largest source of water vapor in the Congo rainforest during the spring rainy season.
Pterosaur with 1-meter-long skull was Australia's largest known flying reptile.
Discoveries of more complete remains of cartilagenous fishes have shed new light on the prehistory of sharks and their relatives.
New studies of the white shark (aka great white) show that its social life and hunting strategies are complex
With suggestions that Americans turn to economic account some of the smaller species of the Atlantic Coast
Hundreds dot the Costa Rican jungle, as baffling as the monuments of Stonehenge.
Even amid the wind-swept desolation of southern Argentine a haven may occasionally be found.
Even as a pet, his single interest was in ants, and he never quite got used to a tame chimpanzee.
Electron microscopy has shown the biologist a complex, new world.
A mammoth tusk is discovered during an excavation for a new building
Florida Museum of Natural History Study Provides New Insight.
The badlands of southeastern Utah, home to part of the
dinosaur-rich layer of rocks called the Morrison Formation
Science toys you can build or buy for you and the other kids in your life.
Where to find Natural History archives and other free stuff
With the spotlight on ’rithmetic, there are now free online sites where you can practice your math skills.
Alternatives to surgery for treating joint pain from arthritis