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Lying in water only a foot deep, I watched the shark meander lazily through the mangrove, already exuding the confidence inherent of the supreme creature within its domain. It was hot here...
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Animals, on land and in the ocean, live in a 3-D world, and they depend on...
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The TOPP program brought together scientists from seven countries to explore...
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Reef sharks rarely get any love. These sharks, comprising several species,...
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May 14, 2013 - 9:19AM
An X-ray image of a Monterey skate ( Raja montereyensis ) reveals a spine that extends like a tail out from the pelvic fin. The skeletons of skates, rays, chimaeras, and sharks are made of cartilage, rather than bone. Scientists...
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CREDIT: © Mary Parrish/Smithsonian Institution 1. Respect Your Elders Sharks have a long and impressive lineage. Ancient...
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Dec 17 2009 - 5:55pm
Long before great white sharks appeared, much larger ancestors roamed the ocean. This giant ancient shark -- the Giant Megatooth ( Carcharodon megalodon ) -- was probably big enough to eat a whale.
Feb 17 2010 - 6:13pm
Great White Sharks ( Carcharodon carcharias ) are marvels of evolution, with highly-evolved senses keeping them among the ocean’s top predators. However, they are threatened with extinction and...
Jan 4 2010 - 4:20pm
Tom Peschak, a photojournalist with the Save Our Seas Foundation, describes the devastating effects shark nets have on ocean life along the South African coastline. The nets were installed to protect...
Mar 20 2013 - 9:27am
A great white shark ( Carcharodon carcharias ) emerges from the water's surface, gaping at the photographer. Gaping is a way sharks communicate with each other, and maybe even try and communicate...
Nov 2 2010 - 12:43pm
Animals, on land and in the ocean, live in a 3-D world, and they depend on their sense organs and brains to build the mental constructs that allow them to orient and navigate, which is crucial for...
Mar 28 2013 - 9:45am
Gray reef sharks ( Carcharhinus amblyrhynchos ) are known for being active at night. They are considered Near Threatened by the IUCN Red List due to fishing and the loss of their coral reef habitat...
Jan 26 2010 - 10:45am
Great White Sharks breach to hunt -- with split-second timing they grab an unsuspecting seal or sea lion in one swift snatch. Follow the action in this slideshow .
Jul 18 2012 - 10:45am
It's hard to imagine a 2000-pound animal launching itself out of the water while hunting, but the great white shark does just that. This spectacular behavior is called breaching, and great white...
Dec 17 2009 - 6:15pm
Whenever a shark attacks a human, it's headline news. But when a human kills a shark, it goes unreported. Fear keeps many people from caring about sharks. But sharks have more reason to fear us than...
Aug 14 2012 - 10:12am
Large numbers of grey reef sharks ( Carcharhinus amblyrhynchos ) were observed at Jarvis Island, an uninhabited Pacific island, during the 2010 Pacific RAMP expedition of the NOAA Ship Hi'ialakai ...
Apr 27 2012 - 10:19am
Reef sharks rarely get any love. These sharks, comprising several species, loiter around coral reefs, snacking on small fish, squids and crustaceans. And while their size is nothing to smirk at -- 5-...
Jan 26 2010 - 10:45am
A life-sized model suspended over visitors at the San Diego Natural History Museum shows what an ancient shark, the Giant Megatooth ( Carcharodon megalodon ), might have looked like. More about the...
Sep 30 2009 - 1:14pm
Dr. Mahmood Shivji explains how shark DNA is used as evidence to prosecute shark fin poachers . More about sustainable seafood can be found in our Sustainable Seafood Section .
Jun 9 2011 - 3:45pm
Sophi Bromenshenkel is an unlikely shark -lover. She's eight years old and hails from Minnesota, a state that couldn't be further from the ocean. But a family vacation to Florida changed everything...
Aug 22 2012 - 1:57pm
The TOPP program brought together scientists from seven countries to explore the lives of large mid-water animals such as sea turtles, birds, whales, tuna, sharks, seals and even squids. Animals that...
Oct 18 2010 - 4:27pm
Dr. Demian Chapman of the Institute for Ocean Conservation Science at New York’s Stony Brook University explains how DNA extraction from shark fins can identify the species of shark and where the...
Jan 26 2010 - 10:45am
Great White Sharks breach to hunt -- with split-second timing they grab an unsuspecting seal or sea lion in one swift snatch. Follow the action in this slideshow of a breaching sequence .
May 14 2013 - 9:19am
An X-ray image of a Monterey skate ( Raja montereyensis ) reveals a spine that extends like a tail out from the pelvic fin. The skeletons of skates, rays, chimaeras, and sharks are made of cartilage...
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