Sharks

Great white shark swimming alongside a graphic timeline showing sharks predate trees by 65 million years
Older Than Trees: The 450-Million-Year Story of the Shark
Deep-sea frilled shark, one of the ocean's living fossil shark species virtually unchanged for 95 million years
The Ocean's Living Fossils: Shark Species That Time Forgot
Ancient shark tooth fossil representing how almost all shark evolutionary history is known only from teeth, not skeletons
The Fossil Blind Spot: Why We Know So Little About Ancient Sharks
Close-up of a great white shark eye underwater, illustrating the species' remarkable low-light visual system
How Great White Sharks See the World
Juvenile great white shark swimming near the surface in a coastal nursery area
The Secret Life of Baby Great White Sharks
Great white shark with open mouth showing jaw protrusion and serrated teeth
The Most Dangerous Mouth in the Ocean: How a Great White Shark's Jaw Actually Works
Great white shark swimming, illustrating the species' remarkable cancer resistance and DNA repair mechanisms
The Cancer Clue Hidden in Great White Shark DNA
Dried shark fins laid out for trade — the global shark fin industry kills an estimated 73 million sharks per year despite bans in over 50 countries
73 Million Sharks a Year: The Brutal Economics of the Fin Trade
Scientific illustration showing the nuclear-mitochondrial DNA mismatch in great white sharks — nuclear DNA nearly identical worldwide, mitochondrial DNA highly divergent between the three regional populations
The DNA Mystery Inside Every Great White Shark That Science Still Can't Explain
Aerial view of False Bay, South Africa, showing Seal Island — the site where great white sharks conducted breach attacks before disappearing between 2015 and 2019
The Domino Effect: What a 2025 Study Revealed After Great White Sharks Left False Bay
Side-by-side comparison of a megalodon tooth and a great white shark tooth showing the difference in serration pattern — coarse on the great white, fine on the megalodon — evidence of convergent evolution rather than shared ancestry
Megalodon Was Not the Great White's Ancestor: The Fossil That Changed Everything
Map of the North Pacific Ocean showing the White Shark Café location halfway between Baja California and Hawaii, the aggregation site where great white sharks spend months each year
The White Shark Café: The Great White's Secret Life in the Middle of the Pacific
Composite illustration of Nicole, Deep Blue, and Unama'ki — three individual great white sharks whose satellite-tracked migrations changed marine science
Nicole, Deep Blue and Unama'ki: The Great White Sharks That Changed What We Know
Great white shark fully breaching the surface during a high-speed vertical ambush attack on a Cape fur seal
Air Jaws: The Science Behind How Great White Sharks Hunt
Close-up of a great white shark's snout showing the dark pore openings of the ampullae of Lorenzini electroreceptor system
The Sixth Sense: How Great White Sharks Can Feel Your Heartbeat Through the Water
Close-up of a great white shark's open jaw revealing rows of serrated triangular teeth — the result of a lifetime of continuous tooth replacement producing up to 50,000 teeth
Born to Bite Differently: How a Great White Shark's Teeth Change Completely as It Grows Up
Great white shark swimming powerfully through cold ocean water, its muscles kept up to 14 degrees warmer than the surrounding sea by the rete mirabile heat exchange system
The Wonderful Net: How Great White Sharks Solved a Problem That Stumped Fish Evolution for 400 Million Years
Great white shark swimming in open ocean, representing the species' extraordinarily slow reproductive cycle — females don't reach sexual maturity until age 33 and can live up to 70 years
The 33-Year Wait: Why Losing One Great White Shark Sets Back a Population by Decades
Close-up of great white shark skin showing the texture of dermal denticles — microscopic tooth-shaped scales that reduce drag and have inspired engineering breakthroughs worldwide
The Sharpest Suit in the Ocean: What Great White Shark Skin Has Taught Engineers
Great white shark gliding through deep blue ocean water, powered by energy stored in its massive liver during a long-distance migration
Running on Empty: How Great White Sharks Cross Oceans Without Eating
Great white shark swimming through blue ocean water representing the critically low population of fewer than 500 breeding great whites remaining in Australia
Fewer Than 500 Left: The Quiet Crisis Facing Australia's Great White Sharks

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