Reed canary grass grows natively in Europe and Asia, but it is taking over in some Iowa locations.

Indian Creek Nature Center land management planning includes surveying butterfly populations, and data shows how the 2020 derecho is impacting those survey results.

Eden Valley Refuge features exposed limestone outcrops. Limestone is a sedimentary rock and is formed by an accumulation of skeletal fragments of marine organisms.

Rusty patched bumble bees were listed as endangered in 2017. This is just one species of bumble bee that has been on the decline.

Areas along the shores of the Mississippi River are experiencing a complete loss of trees which causes a decline in ecosystem biodiversity.

Avian influenza is a virus that affects bird populations, both domestic and wild. Like all viruses, avian influenza changes over time due to mutations that affect proteins.

Using goats to control invasive trees, shrubs and other plants is a unique solution for maintaining remnant prairie.

This time-lapse video captures two monarch caterpillars feeding on a milkweed leaf, and illustrates the caterpillars' role in the ecosystem as they consume plant matter.

After an apple is split open and exposed to oxygen, the flesh slowly turns brown.

Weather forecasting helps people prepare their homes and businesses, and remain safe during natural disasters.

Milk is collected from cows and, after a while, the milk forms two different layers. They look somewhat similar but, when poured out, the layer on top is thicker than the layer below.

Two photos, taken at the same moment but in different parts of the world, show different views of the sky.