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 in space.

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

Elon Musk's hopes of one day colonising other worlds might be nothing more than a pipe dream ...

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 ...

Starseeds say they’re not from this planet. Online, they’re sharing mythologies and rituals that, for some, are taking on the ...

A 20-year study has shown that, like photocopying photocopies, cloning doesn't produce perfect copies – with big implications ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

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 ...