"Our study suggests that 22 degrees is not too cold for the animals and it's not too hot for them," he said. "It's about right in terms of their optimal preference for temperature." Most sharks ...

However, one shark tagged in 1936 had only grown 2.3 inches when it reappeared 16 years later. Specially adapted for cold water, this shark’s tissues contain high levels of chemical compounds ...

Data from atomic bomb tests conducted during the Cold War have helped scientists accurately age the world's biggest fish. Whale sharks are large, slow moving and docile creatures that mainly ...