PORTLAND, Maine (AP) — Sharks use the Earth’s magnetic field as a sort of natural GPS to navigate journeys that take them great distances across the world’s oceans, scientists have found. Researchers ...

How do sharks make transatlantic journeys without losing their way? New research published this week in Current Biology demonstrates that like salmon, birds, sea turtles, and lobsters, sharks can ...

Scientists have known for decades that many animals use the Earth's magnetic field for navigation. It's less clear how they do it. A new study suggests earthworms may be a good way to figure it ...

In this Sept. 2015 photo taken by Colby Griffiths on the North Edisto River in South Carolina, scientist Bryan Keller holds a bonnethead shark. Keller is among a group of scientists that found sharks ...