Jan 21, 2025 · 5 fast facts about sharks. The largest known great white shark was 20 feet (6 meters) long.; Sharks sleep, but they may keep their eyes open while they do it.; Sharks can …

Jan 21, 2025 · Bite into the meatiest coverage of great white sharks, megalodons and more with the latest shark news, features and articles from Live Science.

Jul 16, 2024 · To measure the sharks' metabolism in the new study, the researchers took tissue samples from the muscle of 23 Greenland sharks that were caught on the south coast of Disko …

Aug 7, 2024 · Like salmon, female sharks always return to their birth site to drop their pups, Noble said. This means that the sharks' mitochondrial DNA, which they inherit only from their …

Jan 31, 2025 · The remains of Alexander the Great may lie under the streets of Alexandria, they may have been "eaten by a shark," or they may be somewhere else entirely. But one thing is …

Jan 7, 2025 · The team then applied this healing scale to pictures of sand tiger sharks from the database Spot A Shark U.S.A., which encourages citizen scientists to submit images of C. …

Jul 5, 2022 · Basking sharks are often regarded as slow, gentle giants but they are capable of rocketing out of the water at speeds of 11 mph (18 km/h) and jumping 4 feet (1.2 m) in the air …

Aug 6, 2013 · Thresher sharks can flail their tails to stun prey, cracking it like a whip, Shiffman said. The behavior was captured on film and described for the first time in a PLOS ONE study …

Sep 25, 2024 · The big question is, what is the relationship between sharks and placoderms like Dunkleosteus, these armored fishes that ruled the roost in the Silurian and Devonian periods …

Nov 22, 2024 · Sharks play a critical role in ocean ecosystems, and they're found in all of Earth's oceans. But many species are now under threat from climate change, overfishing, pollution …