A few decades ago Boston Harbor was one of the nation's dirtiest water bodies. Now, healthier fish in the harbor underscore that a multibillion-dollar cleanup has succeeded.
Scalloped hammerhead entangled in a Queensland shark control net at Magnetic Island, Townsville.
Courtesy of Nicole McLachlan
Some media have reported shark numbers at 'plague proportions' in Australian waters. But a new analysis suggests the opposite: species such as hammerheads and white sharks have plummeted in number.
A massive new discovery this summer of miles of corals in deep waters off South Carolina shows how much we have yet to learn about life on the ocean floor.
Mangroves growing strong.
Ali Suliman/Shutterstock
The return of white sharks to Cape Cod, Massachusetts was a tourism success story – until a shark killed a swimmer. Can the Cape's residents and visitors learn to share the ocean with these apex predators?
Inside a snailfish.
Newcastle University / Natural History Museum, London
Sea turtles contend with a contagious disease that causes debilitating tumors. Genetic analysis is helping researchers figure out precision medicine-based treatments for the turtles.
DNA sequencing is making it possible for scientists to identify thousands of species of zooplankton – drifting animals that are key links in ocean food webs.
Biologists are finding new evidence that these ocean invertebrate grazers don't just ingest whatever they catch. They can actually be picky eaters – and their choices might influence ocean food webs.