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Shark next to boat at the surface of the water
Science Snapshot: An Arctic Shark’s Tropical Vacation
Though Greenland sharks generally live in icy waters, one was recently caught in the Caribbean.
Science Snapshot: An Arctic Shark’s Tropical Vacation
Science Snapshot: An Arctic Shark’s Tropical Vacation

Though Greenland sharks generally live in icy waters, one was recently caught in the Caribbean.

Though Greenland sharks generally live in icy waters, one was recently caught in the Caribbean.

sharks
black and white man on coast
Biophysicist Adrianus Kalmijn Dies at 88
Chloe Tenn | Jan 11, 2022 | 2 min read
His work revealed that sharks use an electromagnetic sense to navigate and detect prey.
Megalodon from prehistoric times scene 3D illustration
Classroom Science Leads to Revision of Megalodon’s Size
Connor Lynch | Sep 1, 2021 | 5 min read
A handful of high schoolers prompt scientists to develop a new approach for calculating the size of the ancient behemoth.
A tiger shark swimming in the shallow water of the ocean above a sandy bottom, with another shark and fish in the background
While Some Sharks Flee, Tiger Sharks Brave Stormy Seas
Nikk Ogasa | May 12, 2021 | 3 min read
For the first time, scientists tracked large shark movements during hurricanes and found that tiger sharks may find the turmoil opportunistic for feeding.
Oceanic Shark and Ray Numbers Down 71 Percent over Past 50 Years
Lisa Winter | Jan 28, 2021 | 3 min read
Overfishing is the biggest factor driving these species toward extinction, researchers conclude from a new study.
sharks, blue shark, Prionace glauca, overfishing, ocean deoxygenation, climate change
Climate Change Could Drive Sharks to Fishing Grounds: Study
Asher Jones | Jan 28, 2021 | 5 min read
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.
a photograph of a Greenland shark
Isotopic Bomb Traces Are a Boon to Biological Dating
Shawna Williams | Feb 21, 2020 | 6 min read
The decades-old signature of nuclear testing can reveal the ages of organisms, or even individual cells.
glowing swell shark
Image of the Day: Fluorescent Sharks
Nicoletta Lanese | Aug 13, 2019 | 1 min read
A newfound family of metabolites emits green light in response to the blue light of the deep ocean, causing certain sharks to glow.
sharks turtles rays entanglement fishing gear rope injury back dead animal plastic marine ocean
Image of the Day: Death Traps
Chia-Yi Hou | Jul 18, 2019 | 1 min read
Sharks and rays can get entangled in abandoned fishing gear, leading to injuries or death.
Image of the Day: It’s a Shark!
Carolyn Wilke | Jan 8, 2019 | 1 min read
A newly developed underwater ultrasound reveals a fetal shark swimming between the two uteri of its mother.
Researchers Track Sharks and Whales Using DNA in Seawater Samples
Jef Akst | Jan 1, 2019 | 5 min read
In addition to detecting unseen organisms in the ocean, studies of environmental DNA can shed light on the genetic structure of marine populations.
Hunting with Sharks
The Scientist Staff | Aug 31, 2016 | 1 min read
Watch scenes from research at the University of South Florida's Mote Marine Laboratory, where scientists saw what happened when they knocked out sharks' electroreception.
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