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

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

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

shark
Image of the Day: Shark Fitbits
Image of the Day: Shark Fitbits
Carolyn Wilke | Feb 28, 2019
To track the behavior of blacktip sharks, researchers are equipping them with radios and satellite sensors.
Newly Discovered Ancient Shark Found Alongside Bones of <em>T. rex</em>
Newly Discovered Ancient Shark Found Alongside Bones of T. rex
Carolyn Wilke | Jan 22, 2019
Galagadon’s tiny teeth look like the spaceships in its namesake video game from the early 1980s.
Image of the Day: It&rsquo;s a Shark!
Image of the Day: It’s a Shark!
Carolyn Wilke | Jan 8, 2019
A newly developed underwater ultrasound reveals a fetal shark swimming between the two uteri of its mother.
Opinion: How We Found a New Way to Detect “Hidden Sharks”
Opinion: How We Found a New Way to Detect “Hidden Sharks”
Judith Bakker, Stefano Mariani | May 7, 2018
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.
Image of the Day: Skate Youngsters 
Image of the Day: Skate Youngsters 
The Scientist Staff, The Scientist Staff | Nov 28, 2017
Scientists study the development of scales in skate embryos. 
Image of the Day: Gut Sweet Home
Image of the Day: Gut Sweet Home
The Scientist Staff, The Scientist Staff | Nov 22, 2017
Researchers describe more than 200 species of tapeworm from a decade-long collection of tapeworms from the digestive systems of animals around the world. 
Opinion: Banning Shark Fin Sales in the U.S. Will Backfire
Opinion: Banning Shark Fin Sales in the U.S. Will Backfire
Robert Hueter | Sep 27, 2017
A proposal to do so would cause waste, promote less sustainable fisheries, and penalize US fishers who follow best practices.
Labs in Texas Batten Down the Hatches
Labs in Texas Batten Down the Hatches
Shawna Williams, Bob Grant | Aug 25, 2017
As Hurricane Harvey approaches land, researchers wait to see if their preparations will protect their experiments.
Sharks May Have Evolved from Acanthodians
Sharks May Have Evolved from Acanthodians
Joshua A. Krisch | Mar 14, 2017
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.