Infertility is more common and more emotionally taxing than many realize. For millions of affected couples trying to conceive, planning a family can quickly shift from exciting to stressful, ...

A startup out of Utah, Paterna Biosciences, says it has successfully grown functional human sperm in a lab and used the sperm to make visibly healthy-looking embryos. The technique could eventually ...

Dr. Jamin Brahmbhatt is a urologist and robotic surgeon with Orlando Health and an assistant professor at the University of Central Florida’s College of Medicine. In my clinic, one of the first things ...

Given Fuchs markets her creations as a form of art and because it's subjective whether one item resembles another, we have left this claim unrated. Snopes will update this report if, or when, ...

Having kids is a decision with a lot of gravity, literally. Scientists have found that sperm in space can’t find their direction during their pursuit to fertilize an egg. Such digressions could pose a ...

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On Earth human sperm tend to know where to go when it comes to fertilizing an egg in utero. But that may not be the case in space. A new study suggests human sperm may struggle to navigate in ...

The marine mammals act like midwives, supporting mothers and their calves through delivery. Sperm whales swim off the coast of Dominica, where, in July 2023, Project CETI scientists witnessed a rare ...

When it comes to reproduction, female biology is often described in terms of a ticking clock. Women are born with most of their lifetime supply of eggs, meaning that a woman’s age is usually the same ...

It turns out you can quite literally see an analog signal if the conditions are right—and you look closely enough. Reading time 3 minutes Despite their futuristic appearance—for our money, they’re ...

Good morning, Early Birds. Welcome to the Year of the Fire Horse. Send tips to earlytips@washpost.com. Thanks for waking up with us. In today’s edition ...