Eggs, as reproductive structures, existed long before the appearance of modern birds, including the so-called domestic ...

Abortion advocates say the removals have a chilling effect even if they are later reversed, and navigating platforms' complex ...

At Cornell, Dawn Chen was counting sperm stored in a pair of organs called spermathecae in female fruit flies, fully ...

Judge slams ‘cavalier acceptance’ of deportation scheme sending African nationals to Ghana, only for the country to send them elsewhere ...

Scientists have designed a new cognitive test that diagnoses patients more accurately with Alzheimer's. The digital test times how long it takes patients to remember objects and make word associations ...

As men get older, changes in sexual health and fertility are often expected. For decades, the usual explanation has been a ...

The more citizens use their power to advance their interests via ballot iniatives, the more some lawmakers attack the process.

OK, YOU FOLKS are lucky today. Finally, after all these months of harping on you to pinch and prune your plants, we will learn how to use some of those plant tips for asexual reproduction.

A new study found that higher levels of THC was linked to significant chromosomal abnormalities in embryos. This could lead ...

The birth control pills, IUDs and hormonal implants were purchased by U.S.A.I.D. for women in low-income countries. They had ...

There is something, however, that distinctly separates us humans from the vast majority of mammals: we live long past our reproductive years. Most living things continue reproducing until they ...