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.

Space is extremely dangerous, but people can still do more than robotic explorers can – in terms of technical achievements ...

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

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

Researchers put human sperm into a microgravity simulation chamber designed to mimic the female reproductive tract and tested ...

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

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

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

Scientists have trained a computer made from living human neurons to play the classic video game Doom, marking a strange but important step forward in biological computing. A clump of roughly 200,000 ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we dive into fascinating ideas from around the universe. You can sign up for Lost in Space-Time here. Modern physics ...

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 ...