A marine biologist leading a scientific expedition to a remote island in Costa Rica was rushed to the hospital after being ...
Trees first appeared on Earth during the Devonian period, around 385 million years ago, and dinosaurs about 100 million years later, between 250 to 200 million years ago. But you might be surprised to ...
Conservationists say the unexpected observation could inform efforts to protect or reintroduce leopard sharks, an endangered ...
The volunteers take photographs of the egg cases and upload them to the Shark Trust's website. The cases are rehydrated, ...
Sharks have been swimming in Earth’s seas over 450 million years, but some struggling shark species may be ending up on grocery store shelves, in fish markets, and even sold online. Meat from shark ...
Little is known about how leopard sharks mate in the wild. Rare footage shows a female doing the deed back-to-back with two ...
A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark no larger ...
Climate change is making ocean water more acidic. A new study suggests that a drop in pH could erode sharks’ teeth.
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