A volcanic eruption at Yellowstone is unlikely anytime soon, but evidence is growing that a violent hydrothermal, or steam, explosion is possible.

When dice snakes fake their death to avoid predators, those that use a combination of blood, poop and musk spend less time pretending to be dead.

The discovery of sympathetic nervous system cells in lampreys draws a closer tie between the animal and complex vertebrates — such as humans.

Researchers have created a visual encyclopedia of the different expressions that belugas ( Delphinapterus leucas) in captivity seem to make with their highly mobile “melon,” a squishy deposit of fat ...

Land managers in the western United States are using potential operational delineations, or PODS, to prepare for — and take advantage of — wildfires.

Experiments in mini greenhouses show how the tiny organisms lurking underground in a "sleepy biome" could be a contributor to climate change.

Little is known of how teens learn about emotions online and then use that knowledge to cope with social uncertainty during in-person encounters.

Growing out patches of grass can lure adult butterflies and moths with nectar and offer lawn mower–free havens for toddler caterpillars.

A survey of college students reported many are comfortable calling emergency services for an overdose, but fewer know how to intervene with naloxone.

Ultrathin goldene sheets could reduce the amount of gold needed for electronics and certain chemical reactions.

Over time, bone marrow stem cells develop key genetic errors and pass them on to immune cells. This may increase the risk of developing heart disease.