Ducks evolved reverse spirals and sperm storage that give females surprising control, challenging long-held assumptions about ...

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

A new study finds that warming temperatures are causing Antarctic penguins to breed earlier, threatening some species with extinction by century's end.

A world of increased heat from climate change means that “entire generations of sexually reproducing reptiles will be dramatically skewed male or female.” This skews the entire balance of species.

New research from James Cook University has made the extraordinary discovery that epaulette sharks can reproduce and lay eggs ...

Pythons can tolerate saltwater and freshwater and have been observed swimming in Florida Bay and Biscayne Bay.

Paleontologists have long wrestled with how to differentiate between male and female dinosaurs based on their fossils. But new research may bring scientists closer to identifying the sex of one group ...

Scientists have discovered a new type of cell that helps Burmese pythons digest the entire skeletons of their prey. Pythons can eat prey over 100% of their body mass, including deer and bobcats. Just ...

Everything You Wanted To Know (Or Didn't) About Ball Python Snake Mating! In this episode of SnakeBytesTV, we drive into breeding snakes and everything you wanted to know or maybe you didn’t about ...