Eden Valley Refuge features the 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 experiencing 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 unique solution for maintaining remnant prairie.

The time-lapse video captures two monarch caterpillars feeding on a milkweed leaf, showcasing a key part of their life cycle 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 as the oxygen starts to combine with the elements and compounds in the apple.

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.

Dry run creeks are a strategically placed design solution for flood mitigation.

Fog is visible at the bottom of a hill on a summer evening.