Even at an early evolutionary stage, bird-like dinosaurs occupied different niches in the same ecosystem,
Dung beetles use light from the MIlky Way to find their way
Memory is improved, at least for snails, with epicatechin (epi)--a flavonoid abundant in chocolate, green tea, and red wine.
Researchers are discovering how genetically similar worker bees that perform one of two distinct types of jobs can switch roles, depending on the needs of the hive.
A pod of elephant seals has helped researchers build the most complete picture to date of how, and how fast, ice shelves fringing East Antarctica are melting.
A soil fungus, Metarhizium, which is a widespread insect pathogen and killer, has been found to purvey insect-derived nitrogen to plant hosts.
12,900 years ago, cosmic bombardment by fragments of an asteroid or comet may have caused Earth to enter an unusually cold 1,300-year spell, the Younger Dryas.
Wildlife biologist confirm that cougars have returned to the Midwest after being wiped out a century ago.
A new study shows that the lid of a pitcher plant not only keeps rain from flooding the plant’s pitcher but it doubles as an insect catching device.
Between 10,000 and 4,000 years ago, multiple, intertwining stressors: warming climate, habitat changes, and human pressure—familiar threats for many species today—led to the extinction of the woolly mammoth.