A pregnant 7-foot porbeagle shark appeared to have been eaten by an even larger shark in what researchers believe is the first such evidence of the ocean hunter becoming the hunted. Researchers ...

For the first time, researchers have documented an 8-foot shark, a top predator, being killed by another predator. The shark, a porbeagle, was being studied by scientists from Oregon State University, ...

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Add Yahoo as a preferred source to see more of our stories on Google. For the first time ever, researchers have found evidence of a top-of-the-food chain shark being killed by a predator, according to ...

Shocked researchers are trying to figure out what kind of apex predator took out an 8-foot-shark as it wandered through the oceans — and they think it might have been another, bigger shark. Scientists ...