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" ...

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 ...

Walking sharks use their fins to move along the seafloor, allowing them to navigate shallow reefs, tide pools, and tight spaces where swimming isn’t practical. These sharks live in warm Indo-Pacific ...

Forbes contributors publish independent expert analyses and insights. Márquez is a marine scientist and science communicator Sand tiger shark in an aquarium. (Photo by: BlueRed/REDA/Universal Images ...