Ducks with corkscrew penises, fish changing sex – what do we really know about sex and reproduction on Earth? Less than we ...

Even back then, scientists were puzzled. Many prediction models suggested this fish shouldn’t survive beyond roughly 10,000 ...

A 50th-generation re-cloned mother mouse, bottom right, is pictured with her two baby mice conceived with an ordinary male mouse. A regular female mouse generally has about 10 pups at a time. However, ...

The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found. Octopuses are some of ...

As the generations dragged on past the 27th iteration, the birth rate began to silently collapse. By the 57th generation, a mere 0.6 percent of the cloned embryos survived. The 58th generation ...

University of Missouri researchers have shown how an all-female fish species called the Amazon molly defies the long-held ...

Cloning from the clone of a clone of a clone may not be the ingenious idea we thought it was.

TOKYO -- Sexual reproduction is essential for mammals to eliminate harmful genetic mutations that build up through cloning, a research team led by pro･･･ ...

University of Missouri researchers have shown how an all-female fish species called the Amazon molly defies the long-held belief that asexual ...

The agronaut octopus is an interesting species not often seen by humans. Read here to learn more about these strange octopuses.

(Peter Finch/Stone/Getty Images) Scientists have pushed the limits of mammal cloning until the whole house of cards has come tumbling down. After two decades of continuous work, researchers in Japan ...

Sex education has been taught in schools for decades and it has had some success. But the Epstein Files reveal the problem ...