Search results for Sharks

Evolution May 30, 2025

Immune restraint through the ages: PD-1 pathway traced to sharks

In 1992, graduate student Yasumasa Ishida discovered PD-1, marking the beginning of a journey that would make this molecule a major target in cancer immunotherapy. Now, Dr. Ishida and colleagues provide a comprehensive overview ...

Plants & Animals May 30, 2025

Silky shark population study offers clues for conservation

For the first time, researchers have mapped the population structure of silky sharks (Carcharhinus falciformis) in the Eastern Pacific Ocean, offering new insights that could guide future conservation and management of this ...

Plants & Animals May 29, 2025

Sharks rarely seen together peacefully co-feed: Observation could help scientists understand shark ecology better

Many sharks, particularly those that live in the open oceans, are hunters rather than scavengers. Despite this, a small portion of their diet comes from scavenging, a behavior they may engage in when the opportunity arises.

Ecology May 26, 2025

Megalodon: The broad diet of the megatooth shark

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck with a trailer and weighed almost twice as much. Embedded in its jaws were triangular teeth the size ...

Plants & Animals May 22, 2025

Massive shark washes up on Cape Cod beach

A massive shark washed up on a Cape Cod beach this week, as researchers try to figure out what led to the shark getting stranded.

Plants & Animals May 12, 2025

Sharks spotted off Massachusetts coast

The second largest shark species in the world is being spotted close to the Bay State coast, according to shark researchers.

Plants & Animals May 7, 2025

Sharks and rays found using offshore wind farms as habitat

A new study by Wageningen University & Research shows that offshore wind farms not only produce energy, but may also contribute to the protection of marine life. Several shark and ray species were detected in and around Dutch ...

Paleontology & Fossils May 7, 2025

New fossil shark named from ancient skeleton discovered in southern England

A previously unknown shark once swam around the shores of the U.K. more than 70 million years ago. The new species, named Pararhincodon torquis, is a distant relative of the collared carpet sharks that today live around Australia ...

Plants & Animals May 5, 2025

Cape Cod seals, watch out: White shark migrating north 'getting a head start' on shark season

Hopefully Cape seals pay attention to the news.

Education Apr 9, 2025

Shark AI uses fossil shark teeth to get middle school kids interested in paleontology and computer vision

Most kids have a natural curiosity about sharks—especially their sharp and abundant teeth. Our team had the idea to use the appeal of this charismatic apex predator to teach how scientists use artificial intelligence.

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