Scientists have successfully extracted the DNA of ancient mummified cheetahs discovered in a cave in Saudi Arabia. This is ...

There are few things more joyful, if occasionally nerve-wracking, than having a pet in your home. And plenty of people agree.

Sage grouse rely on one of the most visually striking courtship displays in the animal world. Males inflate large chest sacs, producing sounds and movements designed to attract selective females.

Long-term exposure to low levels of a common agricultural pesticide can accelerate physiological aging and shorten lifespan ...

New research suggests that long-term exposure to very low concentrations of chlorpyrifos, a widely used insecticide, can ...

Eagles are among the most powerful birds in the sky, combining strength, vision, and precision in ways few animals can match.

Evolutionarily speaking, the ultimate goal of a lifeform is to reproduce and stave off extinction. Many plants and animals ...

Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.

The Asian swamp eel is an air-breathing, mud-loving predator spreading throughout the United States. These slithering threats are hard to detect and built to survive conditions that affect native fish ...

One of Earth’s earliest mass extinctions wiped out most ocean life during a sudden global ice age. From the ruins, jawed vertebrates survived, diversified, and transformed the course of evolution.

Even at amounts considered safe under regulatory frameworks, chronic exposure to the pesticide chlorpyrifos accelerates physiological aging and ...

Myanmar is a country of extremes. From tropical forests, mangroves and wetlands to frost-bitten alpine mountain slopes and ...