A surprising finding from researchers in Japan has shown how an environmental factor can influence the development of sex organs in unborn mice. The discovery challenges the longstanding belief that ...

A new paper published in Nature on June 4 shines light on how an enigmatic part of male aging—the loss of Y chromosomes—is ...

Seahorses are some of the most unique and fascinating creatures in the ocean. With their horse-like heads, curly tails, and elegant, upright postures, seahorses defy the usual expectations we have for ...

Conservancy of Southwest Florida scout snake Loki was found dead in a pile of debris, apparently mauled by a bobcat, with its ...

Imagine a future where a diagnosis of untreatable male infertility is no longer the end of the road—because science has found ...

Burmese pythons are wreaking havoc on the Everglades ecosystem, but some native animals have been known to prey on the ...

A January executive order by President Donald Trump designates people as female if they make the “large” reproductive cell (the egg) and male if they make the ...

For the first time in Florida, a bobcat has been recorded killing and eating a massive 13-foot Burmese python in the ...

The new packs, each led by a mated pair, have delighted conservationists but worry ranchers, whose cattle have fallen prey to ...

Algerian boxer Imane Khelif is facing calls to be stripped of her Paris Olympic gold medal following the leak of a medical report suggesting she is biologically male.

The controversial program to return the predators to the American West has produced tension for three decades.