Scientists have used a tiny plastic "obstacle course" to test how much sperm would struggle to navigate during sex in the ...

A clear science explanation of why astronauts appear weightless while orbiting Earth. It breaks down gravity free fall and orbital motion showing how astronauts and spacecraft are constantly falling ...

Researchers set up a tiny 'obstacle course' for the little swimmers to study the difficulties of procreating on spaceships or ...

Before you ever set foot on a spacecraft bound for deep space, tiny replicas of your organs might make the journey first. Suspended in microgravity aboard a research mission, this organ-on-a-chip, or ...

As humans begin to colonize space, it's inevitable that some will suffer a cardiac arrest. Space CPR conducted in weightlessness will be crucial to save their lives -- and researchers say they've now ...

Miami-based Natasha Tsakos will take a bold step toward a vision she’s nurtured for years: bringing theatrical performance into zero gravity and simulating space as an essential part of human ...