Ecosystems

Animals

Tiny earthworms’ big impact

Invasive earthworms change North American landscapes, for better or worse.

Oceans

Life beneath the ‘berg

Scientists find Antarctic icebergs play a new and bigger role in the climate cycle.

Animals

Big fish in troubled waters

Overfishing cuts number of large predator fish in the ocean.

Animals

Giving sharks safe homes

Scientists help to understand and protect sharks and coral reefs.

Animals

Sponges’ secret weapon

An aquatic animal provides a possible new kind of disease resistance.

Environment

Getting the dirt on carbon

The circle of life continues thanks to the carbon cycle.

Ecosystems

When fungi and algae marry

Lichens live in nearly every environment on Earth, but scientists are still discovering basic information about them.

Ecosystems

Underwater jungles

Cold-water-loving kelp forests may be surprisingly abundant in the tropics.

Environment

Shrimpy invaders

A shrimplike creature that has invaded the Great Lakes could spell big trouble for young fish.

Animals

Missing moose

By studying population patterns, scientists hope to figure out why moose in some areas are in trouble.

Environment

Saving wetlands

In Louisiana and elsewhere, wetlands are disappearing, threatening plant and animal life.

Environment

Alien invasions

Around the world, plants, animals, fungi, and other life forms are ending up in places where they don't belong.