Christopher Joyce

For the first time, scientists have videotaped sharks traveling a 500-mile-long "shark highway" in the Pacific, and they plan to turn it into a protected wildlife corridor in the ocean.

There's going to be a changing of the guard in space. On Tuesday, NASA is launching two new satellites, collectively called GRACE, to replace two that have been retired after 16 years in orbit.

The oceans are getting warmer and fish are noticing. Many that live along U.S. coastlines are moving to cooler water. New research predicts that will continue, with potentially serious consequences for the fishing industry.

Hurricane Harvey, which devastated South Texas last August, was powered by what scientists say were the highest ocean temperatures they've ever seen in the Gulf of Mexico.

When it comes to motherhood, at least if you're a fish, big is better. Bigger fish produce more far more offspring pound for pound than smaller fish. And that can mean more on your plate.

The new research comes from a team in Australia and Panama and reinforces fishing practices that protect larger fish as well as marine protected areas, which are like fish "sanctuaries" in the ocean.

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