How hammerhead sharks grow their hammers
New research offers an unprecedented look at one of the strangest animals in the ocean, the hammerhead shark.
How hammerhead sharks grow their hammers
New research offers an unprecedented look at one of the strangest animals in the ocean, the hammerhead shark.
3 factors threaten swimming as New England swelters
Sharks, bacteria, and pool closures combine to threaten swimming. Fun is at stake, say experts, but also public health.
Fewer sharks worldwide may explain drop in attacks
The number of unprovoked shark attacks worldwide decreased last year. A global decline of shark populations may explain why.
Machine learning maps risk to sharks from fishing lines
Getting tangled in lines meant for other fish can endanger sharks. Machine learning is helping map where they face the most risk.
Fewer people blame sharks for bites after watching positive videos
After watching positive videos about sharks, fewer people blamed them for bites and more approved of nonlethal response strategies.
How sharks live and move in the ocean’s vertical world
Researchers have compiled the largest set of data showing how 38 species of sharks, rays, and skates move vertically in oceans around the world.
Megalodon could fit a modern orca in its stomach
The megalodon was an even more fearsome predator than previously thought, able to take down prey the size of modern orcas.
Megalodon mystery: What caused a painful toothache?
Researchers examined teeth from a megalodon, a school bus-sized prehistoric shark, to find out the root cause of what must have been a painful toothache.
Wait, orcas can take down a blue whale?
A group of orcas, also called killer whales, took down a blue whale near Australia. A whale biologist explains this extreme kind of predation.