This video follows scientists working in Gorongosa National Park as they try to determine the genes responsible for tusk development in elephants.

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

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.

The COVID-19 pandemic has helped revive the autopsy.

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.

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

The COVID-19 pandemic has spotlighted the importance of having a scientifically literate public. In this article, Pennsylvania educator Bob Cooper unpacks how to utilize BioInteractive's suite of infectious disease resources to teach students scientific literacy. 

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.

Trees now cover most of the exclusion zone, and climate change is making them more likely to burn.

Although scientists often worry most about the loss of the world’s predators, a comprehensive new study finds that plant-eating herbivores are the animals most at risk of extinction.

The added information provided at pause points within the animation Coral Bleaching allows for a richer exploration of coral reefs, symbiosis, and other topics in biology.