817 results
817 results for: Sharks
- Animals
A new species of walking shark has been found in Papua New Guinea
Walking sharks crawl on their fins across reefs and even out into tide pools. The newfound Dudgeon walking shark brings the known species count to 10.
- Animals
Sharks are ingesting drugs in the Bahamas
Nearly one third of sharks studied near the Bahamas’ Eleuthera Island were found to have caffeine, painkillers and other drugs in their bloodstreams.
- Animals
How Greenland sharks defy aging
When it comes to bucking the biological ails of aging, humans could learn something from Greenland sharks.
- Animals
Huge relatives of white sharks lived earlier than thought
Lamniform sharks such as great whites and tiger sharks are famous for their size. The first such giants evolved 15 million years earlier than thought.
- Animals
These are our favorite animal stories of 2025
From clever cockatoos to vomiting spiders, these cool critters captivated us this year.
- Materials Science
New wetsuit designs offer a layer of protection against shark bites
By weaving Kevlar or polyethylene nanofibers into standard neoprene in wetsuits, researchers found ways to limit injury during rare encounters with sharks.
- Animals
Homing pigeons may use a surprising navigation mechanism
How animals navigate by Earth's magnetic field is hotly debated. New research in pigeons points to iron-laden liver immune cells as the compass.
- Life
From viruses to elephants, nature thrives on tiled patterns
A compilation of 100 examples of biological tilings shows how repeated natural motifs enhance strength, flexibility and other key functions.
- Animals
This ‘ghost shark’ has teeth on its forehead
Spotted ratfish, or “ghost sharks,” have forehead teeth that help them grasp onto mates. It’s the first time teeth have been found outside of a mouth.
- Paleontology
Mummified reptile hints at the origins of how we breathe
A cave preserved two animals’ rib cages, cartilage and even traces of protein, revealing a flexible breathing apparatus like that of today’s land dwellers.
- Ecosystems
Food chains in Caribbean coral reefs are getting shorter
Shorter food chains could mean reefs are less able to weather changes in food availability, threatening an already vulnerable ecosystem.
- Animals
50 years after ‘Jaws,’ sharks face their own terror
Humans have driven sharks and their cousins to the brink of extinction. The health of the entire ocean is at stake.
