In this Jan. 13, 2021, file photo a wind turbine is silhouetted against the rising sun Wednesday, Jan. 13, 2021, near Spearville, Kan.

Killer whales that feast on seals and hunt in small packs are thriving while their widely beloved siblings are dying out.

What are the benefits of distance learning for students in a high school setting? In this article, two California educators share how they've structured distance learning with their students — including the advantages of their approach.

The world’s vital insect kingdom is undergoing “death by a thousand cuts,” the world’s top bug experts said.

America’s rivers are changing color — and people are behind many of the shifts, a new study said.

In this Click & Learn, students explore mathematical models that describe how populations change over time and apply these models to the invasive lionfish population in the Bahamas. They also use data from other species to learn how density-dependent factors limit population size.

Case-based teaching allows for flexibility and adaptability, and case-based learning leads to many positive educational outcomes. In this article, New Jersey educator Missy Holzer explores how to use our salt marsh-related resources in a case study exploring trophic cascades. 

Gorillas are highly sociable animals – up to a point. A crowded mountain can make silverbacks more violent, scientists say.

Gray wolves rebounded in parts of the American West with remarkable speed following their reintroduction 25 years ago.

Tasmanian devils, the carnivorous marsupials whose feisty, frenzied eating habits won the animals cartoon fame, have returned to mainland Australia for the first time in some 3,000 years.

Every year, as many as 400 million people are infected with life-threatening diseases by the Aedes aegypti mosquito. It wasn’t always so dangerous.

This activity explores images of elephants with and without tusks, which serve as phenomena for learning about selection and human impacts on the frequency of traits within populations.