Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to ...

New research reveals walking sharks reproduction involves no extra energy use, challenging long-held beliefs about marine ...

Meet the walking shark, a species of shark that can walk on land, survive low oxygen environments, and reproduce without ...

A study based on a review of genetic and health information from more than 276,000 people finds strong support for a decades-old evolutionary theory that sought to explain aging and senescence. A ...

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...