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

Texas A&M AgriLife Research study looks at how healthy queens and drones contribute to bee colony resilience in challenging ...

Sperm may lose their ability to navigate in microgravity, raising new questions about whether human reproduction is possible ...

Scientists had taken a single preserved cell from a collection and implanted it into a surrogate camel. Just over a year ...

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

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

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

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 ...

Rabbits are prey animals built for survival through speed, awareness, and rapid reproduction rather than direct combat. Their powerful hind legs allow sudden bursts of acceleration and unpredictable ...

In the natural world, do “bold” individuals — those willing to take risks — always live fast and die young? A new study in Ecology and Evolution shows it is not that simple: the relationship between ...

By Will Dunham WASHINGTON, March 30 (Reuters) - As humankind moves toward the goal of establishing a long-term presence on ...