Apr 16, 2014 — A 325 million-year-old fossil find shows that the gill structures of modern sharks are actually quite different from their ancient ancestors.
Mar 12, 2014 — Probably not just to get to the other side. Thanks to a tracking device, researchers and anyone on the Web have watched as "Lydia" has gone where no great white shark has been tracked before.
Sep 13, 2013 — Conservationists hailed the move, because Hong Kong represents 50 percent of the shark fin trade. The country said it hoped the policy would raise public awareness about sustainability.
Sep 13, 2013 — Authorities say the sweet slick has suffocated thousands of fish and could lead to an increase in predator species in the area.
Jul 15, 2013 — NPR's Russell Lewis got quite a view from the beach Monday as a hammerhead cruised among swimmers. Check the picture he snapped.
Apr 11, 2013 — Off the Hawaiian island of Oahu, Isaac Brumaghim was reeling in a tuna when a tiger shark grabbed the fish. "It definitely was an adrenaline rush for me," Brumaghim said afterward. Watch what happened.
Mar 11, 2013 — The CITES convention agrees in principle to limit the trade in five types of shark and two types of manta ray in a crackdown on the trade in shark meat and fins.
Mar 2, 2013 — The study estimates that 100 million sharks are killed globally every year. Shark populations are especially vulnerable because they do not reproduce quickly or early on in life. New protections are up for consideration at an international conference Sunday.
Aug 10, 2012 — Shark fin soup is a delicacy, but consumers may not be aware they're eating threatened species. Scientists hope the methods they've devised to trace shark DNA in bowls of soup can help law enforcement officials track contraband in states where sales are illegal.
Jul 16, 2012 — Five fatal encounters in less than a year — usually there is one a year off Australia — have raised alarms. Some wonder whether great whites should be culled.