shark

Blue sharks don't dive as deeply in low-oxygen waters—which become more prevalent as oceans warm—effectively pushing them into areas of high fishing pressure.

The decades-old signature of nuclear testing can reveal the ages of organisms, or even individual cells.

A newfound family of metabolites emits green light in response to the blue light of the deep ocean, causing certain sharks to glow.

To track the behavior of blacktip sharks, researchers are equipping them with radios and satellite sensors.

Galagadon’s tiny teeth look like the spaceships in its namesake video game from the early 1980s.

A newly developed underwater ultrasound reveals a fetal shark swimming between the two uteri of its mother.

Given the speed and efficiency of environmental (eDNA) sampling, a much larger portion of the sea can be screened, in a shorter time, for patterns of diversity.

Scientists study the development of scales in skate embryos. 

Researchers describe more than 200 species of tapeworm from a decade-long collection of tapeworms from the digestive systems of animals around the world. 

A proposal to do so would cause waste, promote less sustainable fisheries, and penalize US fishers who follow best practices.

As Hurricane Harvey approaches land, researchers wait to see if their preparations will protect their experiments.

Analysis of an ancient shark fossil provides the strongest evidence to date that modern sharks derive from a class of 400 million–year-old bony fish.

Researchers have known for decades that certain fish make use of specialized electrosensory cells, but the precise mechanism of these cells was a mystery until now. 

Scientists use 12 microsatellites to watch as one captive female swellshark produces five pups without fertilization from a male.

Eugenie Clark, known to many as “Shark Lady,” has passed away at age 92.

February 2015's selection of notable quotes

Researchers claim they were duped into participating in mockumentaries that aired during the Discovery Channel’s weeklong celebration of all things shark.

Biologist Jelle Atema is putting the sensory capabilities of sharks to the test—and finding that the truth is more fascinating than fiction.

Take a peek into the shark tank where Boston University biologist Jelle Atema is testing how well the fish actually smell.