Scientists report how increasing nutrients has caused harmful blooms in diverse waters.

A land-use program piloted in the United States is having a long-term positive impact on populations of white-tailed deer, according to new research by University of Alberta biologists.

Researchers drawing on 100-year-old sources of salmon data have found that recent returns of wild adult sockeye salmon to the Skeena River—Canada’s second largest salmon watershed— are 75 per cent lower than during historical times

The U.S. Coast Guard crew gently guides a pair of ultra-fine meshed nets, to the deck of the Healy, where they land with a slight thud.

Gathering data on Washington state's west side fires may help determine risks for people who have built homes and communities near wooded areas.

When a ship grounds on coral reef, the accident can severely damage the reef and scatter countless small coral fragments onto the seafloor.

The ocean is vast, and fish swim.

There are only two northern white rhinos left worldwide, both of them female.

In the summer of 2011, visitors to the University of California, Davis, Arboretum may have witnessed an unusual site: small teams of students wielding large nets, leaping into the arboretum’s waterway to snag basking turtles.

Environmental DNA (eDNA) has successfully proven the presence of invasive crayfish in almost all the small streams around Lake Akan in Japan, suggesting that eDNA analysis is an efficient and highly sensitive method to assess the distribution of aquatic organisms.