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New research shines a light on how rainfall shapes ridgetops, valley floors and the critical zone of Earth's surface.

Hikers and trail runners be warned: Rattlesnakes and other venomous reptiles may bite more people during rainy years than in seasons wracked by drought, a new study shows.

Side by Side is a community art and science event focused on barn swallows, a declining songbird species that nests exclusively in human-made spaces.

Degraded alpine ecosystems showed limited recovery years after long-term inputs of human-caused nitrogen air pollution.

Flooding caused by rain falling on snowpack could more than double by the end of this century in some areas of the western U.S. and Canada due to climate change.

Researchers say that scant supplies of oxygen may have existed in Earth's ancient atmosphere.

A new study sheds light on the genetic mechanisms that allowed sunflowers to undergo a relatively rapid evolutionary transition from wild to domesticated in just over 5,000 years.