Azara’s owl monkeys, a small primate species found in South America, are heavier today than those that lived a quarter-century ago, and evidence suggests that rising temperatures might have driven the weight gain, according to a Yale-led study of a wild population.

Alaska’s Cook Inlet was home to nearly 1,300 beluga whales in the late 1970s, but today the population hovers around 300.

Penn State’s Beescape tool is gaining a new feature that allows users to download county-specific lists of pollinator-attractive plants, offering a more localized approach to improving pollinator habitats across Pennsylvania.

Southern California has seen a spike in great white shark sightings amid a spate of unseasonably warm spring weather. 

Salmon usually go about their lives quietly, unless they are stressed. 

Artificial intelligence can dramatically speed up the painstaking work of tracking wildlife with remote cameras, cutting analysis time from months or even a year to just days while producing nearly the same scientific conclusions as humans.

A major river restoration project in Cumbria has shown that reconnecting rivers to their floodplains can slow the movement of water and improve habitats.

The evolutionary edge that fueled great white shark dominance for millions of years could soon become its greatest downfall.

When drought grips the African savanna, an aging elephant matriarch leads her herd to water she remembers from decades past.

A study has provided new evidence of beavers’ expansion into the Canadian Arctic by dating the changes they have made to the tundra landscape as they spread northwards.