The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ...

Just in time for summer, the megalodon—the ancient, city bus-sized shark known as the “Megatooth”—has reared ... by a team that included Boston College Assistant Professor of Earth and Environmental ...

Greenland Shark photographed at 2,940 feet depth by ... sea ecosystems but also for grasping its role in regulating the Earth’s climate system. Kolbusz noted that the individual shark filmed ...

Sharks are found in every ocean on Earth, in habitats ranging from within coral reefs to under Arctic ice. Species like the glowing kitefin shark even live in the ocean's deep "twilight zone ...

The first sharks on Earth: Ancient relatives of sharks first ... The difference between a shark and other fish: Unlike bony fish, sharks, rays, skates, and chimaeras are cartilaginous fish ...

Whale sharks use underwater features and oil platforms as migratory stepping stones, affecting conservation efforts.

The earliest shark-like teeth we have come from an Early Devonian (410 ... An extinction event at the end of the Devonian killed off at least 75% of all species on Earth, including many lineages of ...

These fascinating creatures, both beautiful and lethal, have come under a lot of scrutiny and hostility over the years, especially because of their connection to fatal shark attacks. Sharks come ...

Measuring the Greenland shark’s growth rate is challenging because individuals are rarely recaptured. However, one shark tagged in 1936 had only grown 2.3 inches when it reappeared 16 years later.

The angel shark does not want to be found ... animals leave in their wake and understand the breadth of life on Earth like never before. (Greg Lecoeur for The Washington Post) Before, biologists ...

Astronomers discovered exceptional jet-stream winds on exoplanet WASP-127b. Paleontologists found a 9-million-year-old great white shark ancestor in Peru's Pisco basin. Meanwhile, Lonestar Data ...

The Greenland shark lives in one of the most extreme environments. Temperatures frequently fall below zero, yet this shark thrives. It’s predicted that this shark could live to 200 years old ...