Blue sharks use large, swirling ocean currents, known as eddies, to fast-track their way down to feed in the ocean twilight zone—a layer of the ocean between 200 and 1000 meters deep containing the largest fish biomass on Earth, according to new research by the Woods Hole Oceanographic Institution (WHOI) and the Applied Physics Lab at the University of Washington (UW).

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.

Researchers identify obstacles to documenting changes from stream restoration projects.

Marine scientists developing unique partnerships to address plastic degradation in the environment.

Degradation of lakes is a worldwide problem, with symptoms including toxic algae blooms. Restoration is possible, but takes a lot of time and effort.

Groundwater – a vital source of water for drinking and irrigation across sub-Saharan Africa – is resilient to climate variability and change, according to a new study led by UCL and Cardiff University.

Scientists find pockets of methane in deep-sea rock samples.

The report recommends a set of actions that countries can take to improve water quality.

As a least auklet lands on the bow of the U.S. Coast Guard Cutter Healy, an audible gasp rolls through observers on the Healy’s bridge.

When spotting a butterfly, a common reaction may be to whip out a phone and snap a photo.