Animals
Scientists urge the need for action at an upcoming summit.
Rare isotopes preserved in fossil teeth could serve as an ancient thermometer.
Simple creature's genome shows surprising complexity, sheds light on evolution and cancer.
Legacy of Illegal hunting in the 1960s revealed.
Internal clocks are manipulated to create time zone-resistant mice.
New research rethinks how sharks with elongated head extensions to help them smell in stereo.
New study examines how sport hunting popularity changes may increase the risk of population collapse for game animals.
Video analysis reveals a sophisticated level of flight coordination among bird mobs.
A short tweet from a chickadee can tell a lot to other birds.
From capillary action to straw-shaped siphoning tongues, mosquitoes, hummingbirds and butterflies use amazing mechanics to drink life-sustaining liquids.
New experimental evidence suggests that birds "see" the Earth's magnetic field when migrating.