A new study found that microgravity simulated on Earth hindered sperm cell movement, egg fertilization and embryo development ...

Knowing which way is up helps sperm find their way to an egg, new research indicates, and they struggle without the guidance ...

A new study suggests humans face barriers to reproducing in space, with microgravity disrupting sperm movement.

If you’ve ever dreamed of going to space, watch this first. In this episode of The Limit, we investigate the brutal reality behind the dream of space colonization. We talk to astronauts, scientists, ...

The vision of Mars colonization is moving from science fiction into real-world planning, with multiple space agencies preparing for long-term human presence. Modern Mars missions focus on testing ...

How we talk about space exploration shapes the futures we imagine and build. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...