After dam removals and fish passage improvements, endangered Atlantic salmon are continuing to return to Maine’s Penobscot River in encouraging numbers.

A Texas A&M at Galveston expert says federal budget cuts would have consequences for endangered Kemp’s ridley turtles along the Texas coast.

With a reputation as one of the continent’s most determined and assertive birds, the rufous hummingbird weighs less than a nickel and tops out at about 3 inches long.

In June this summer, a team of military personnel touched down on Alaska’s Colony Glacier with a somber mission: to recover newly unthawed wreckage and human remains from a fatal Cold War-era plane crash.

The large-scale loss of eelgrass in Morro Bay may be causing widespread erosion, according to a new Cal Poly study.

Steelhead trout (Oncorhynchus mykiss) stir up the sediment of the river bed when building their spawning pits, thus influencing the composition of the river bed and the transport of sediment.

Researchers have revealed that commercial pesticides can be applied to crops in the Cucurbitaceae family to decrease their accumulation of hydrophobic pollutants, thereby improving crop safety. 

Tree and plant cover has deteriorated considerably in some areas, while advancing in other areas that previously burned or used to be frozen.

The new projects look at food- and water-supply stability and how changes in human activity are affecting the environment.

A new study uses satellite data over the Southern Hemisphere to understand global cloud composition during the industrial revolution.