Sharks

Colossal octopus may have dominated Cretaceous oceans, researchers say

“These giant octopuses likely occupied the same ecological tier and may have competed with marine reptiles and sharks within the same ecosystem,” said paleontologist Kazutaka Iba.

Pacific giant octopus.
One more cup of coffee?

Researchers find traces of caffeine, cocaine in sharks in The Bahamas

A lifeguard patrols North Steyne beach as beaches are closed after recent shark attacks, in Sydney, Australia, January 20, 2026.

Dozens of Australian east coast beaches closed after four shark attacks in two days

Great white shark, Carcharodon carcharias, Neptune Islands, South Australia, Indian Ocean.

Scientists warn great white sharks in danger of disappearing from Mediterranean


Haifa beaches to reopen Saturday after sightings of rare whale shark

At adulthood, the species can reach 12–14 metres and weigh more than 20 tonnes, making it the largest fish on Earth.

Whale shark swimming. (illustration)

Shark sighting forces all Bat Yam beaches to close to the public

Beachgoers were evacuated from the beaches out of caution.

 Canadian tourist loses both hands in Turks and Caicos shark attack. Illustration.

Palestinians film remains of endangered whale shark dragged by ropes on Gaza shores

He was likely hunted by fishermen from the Gaza Strip or washed ashore. 

Whale shark swimming. (illustration)

Whale shark documented at Ashdod beach--a first for Israel's Mediterranean coast

The enormous endangered fish is only the third ever confirmed in the Mediterranean and is harmless, filtering plankton rather than attacking swimmers.

Whale shark documented at Ashdod beach--a first for Israel's Mediterranean coast.

Surfer dies after shark bite at Sydney beach

The death is the first in a shark attack in Australia's most populous city since February 2022.

 Canadian tourist loses both hands in Turks and Caicos shark attack. Illustration.

Tangerine-colored nurse shark with 'ghost' eyes pulled from Costa Rica waters

The 198-centimeter adult displayed intense yellow-orange pigmentation and white eyes consistent with albino-xanthochromism, and was reeled in during a sport fishing trip by Tortuguero National Park.

A nurse shark with a rare orange appearance spotted of the coast of Costa Rica.

Historic discovery: New species of ancient shark discovered in Kentucky cave

Macadens olsoni is notable for its unique tooth whorl, a curved row of teeth designed for crushing small sea creatures. 

Graphic depicting a prehistoric shark with large, jagged teeth about to bite a small, large-eyed sea creature. Proposed reconstruction of the new to science species Macadens olsoni, discovered through fossil research at Mammoth Cave National Park.

Multiple beachgoers wounded after spate of shark attacks at popular tourist spot in South Carolina

One person was attacked on Sunday and another on Tuesday, with one of the victims having to be airlifted to a hospital for emergency treatment.

 Canadian tourist loses both hands in Turks and Caicos shark attack. Illustration.

Meet Port and Starboard: The orca duo terrorizing great white sharks

The absence of great white sharks is unprecedented and is altering the ecosystem, raising concerns about long-term ecological impacts.

Meet Port and Starboard: The orca duo terrorizing great white sharks.

How to stay safe from sharks: Tips following the Israeli coast attack

“Sharks aren’t interested in humans. We're not part of their diet. Incidents like the one in Hadera are extremely rare," said Dr. Aviad Scheinin, a researcher at the University of Haifa.

Drone view sharks swimming off the shore of Hadera, Israel, April 17, 2021