Identifying drugs to reduce the excessive expulsion of cells in the lung lining could reduce the damage of chronic asthma.

Mars Sample Return and missions to study other planets and celestial bodies, including lunar efforts, face big cuts and delays.

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

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 ...

The new low-tech transportation method could help scientists in Africa assess if malaria-carrying mosquitoes are resistant to a common insecticide.

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

Decreased protection from cosmic radiation may have increased oxygen levels in the atmosphere and oceans, allowing animals to grow larger.

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

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.

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

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

By training beekeepers, biologist Ximena Velez-Liendo is helping rural agricultural communities of southern Bolivia coexist with Andean bears.