"This is the first time we have been able to show that gravity is an important factor in sperm’s ability to navigate through ...

Being able to reproduce both sexually and asexually gives the dragons an evolutionary edge, Garcia says. If no mate is handy, a female can bear sons parthenogenetically—and when they’re older, they ...

Knowing up and down seems key for sperm to reach an egg.

Sperm may lose their ability to navigate in microgravity, raising new questions about whether human reproduction is possible ...

The episode, involving a group of sperm whales, adds to evidence that humans aren’t the only species that gets some form of ...

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 ...

Having a baby in space may require a bit more direction, with new Adelaide University research revealing the navigational ...

Project Hail Mary Astrophage explained in detail. Discover the star-eating microbe, its dangers, powers, and role in Ryan ...

Immigration is the defining issue of our time. For the better part of a century, America has struggled with illegal border ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Humans don’t have a defined mating season like deer or wolves. Here’s how evolution rewired ...