Epaulette sharks reproduce effortlessly, without using much energy. The epaulette sharks, also known as “walking sharks,” do not have a rise in energy use during their reproduction cycle, according to ...

New research from James Cook University has made the extraordinary discovery that epaulette sharks can reproduce and lay eggs without any measurable rise in energy use. Subscribe to our newsletter for ...

Maybe you've seen a "mermaid's purse" while walking on the beach. Not actually an accessory for the mythical creature, these small casings are the eggs of sharks and their relatives. For around 455 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An endangered species of shark has been observed having "virgin births" ...

The spadenose shark (Scoliodon laticaudus) is one of the smallest members of the requiem shark family and found in shallow tropical and subtropical waters of the Indian and western Pacific Oceans. The ...

A team of shark researchers from the University of Hawaiʻi at Mānoa has solved a long-standing mystery, identifying the first-ever documented mating hub for tiger sharks. The new study, led by the ...

Urea—the main component of human urine—plays an important role in the timing of maturation of sharks, rays and other cartilaginous fish. A new study by researchers with the Sea Around Us initiative at ...

A Louisiana aquarium welcomed a baby shark born under mysterious conditions, the aquarium said Friday. The swell shark, nicknamed Yoko, hatched on Jan. 3, according to the Shreveport Aquarium. What ...