An arthropod that lived 430 million years ago protected its developing young by attaching their egg pouches to its back with threads, trailing them like tiny kites.
The information carried in a man's sperm cells may depend on his body weight, a small new study finds.
A female water snake in Missouri can do something that no human woman can (no matter how badly she might want to).
Addyi, the new libido-enhancing pill for women, was approved by the FDA, but many health care professionals are still skeptical about whether women really need the drug.
A soft-bodied, fernlike creature reproduced in Earth's ancient oceans about 565 million years ago, making it the earliest known example of procreation in a complex organism, a new study finds.
An update to Apple's Health app that is set for release this fall will let users track their sex lives, but experts say this tracking feature alone has little value for people's health.
Baby boys who were exposed to a chemical in plastics may show some signs of altered genital development, according to new research published today.
Stay up to date on the latest science news by signing up for our Essentials newsletter.
Thank you for signing up to Live Science. You will receive a verification email shortly.
There was a problem. Please refresh the page and try again.