Seattle coyotes live at nine times the density of Washington's wild lands, with fewer predators, fewer hunters, and far more ...

Scientists found that Mercury's roughest terrain may conceal ancient cliffs, suggesting the planet shrank substantially more than estimates showed.

Lions and hyenas are famous rivals, but GPS collars show much of their competition happens without a confrontation.

Extreme heat seasons are stretching into spring and fall across much of the world, and warming alone does not explain the ...

Warming-induced emissions from permafrost, wetlands, and wildfires could add up to 0.7°F by 2100, and most climate models leave them out.

Plateau pikas labeled as pests can actually help livestock gain more weight by keeping poisonous weeds from taking over ...

RNA droplets can concentrate the molecule with no membrane at all, and a single oxygen atom sets how much heat it takes to ...

Legionnaires' disease cases rose sixfold in two decades, then fell when the pandemic cut driving. One researcher suspects ...

Nine touch sensors let a perching drone grip a branch it cannot see, holding on even when the camera's guess is 2 feet off.

Researchers discovered that while soil determines which bacterial species inhabit the root system, the host plant ultimately ...

A bacterium in the human urinary tract can convert a steroid made by the body into testosterone using two newly identified ...

A frozen object beyond Jupiter is venting carbon dioxide gas into space, revealing what can drive activity so far from the ...