After centuries of mapping the human body in ever-finer detail, scientists are still making discoveries. Here we are, in 2025 ...

We know that some animals are bilaterian—meaning they display bilateral symmetry—while others are not, but nature is rarely ...

Scientists found that embryonic skin cells “whisper” through faint mechanical tugs, using the same force-sensing proteins ...

But there's a problem, and a big one at that: The body naturally wants to reject any tissue it knows it didn't manufacture.

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion ...

Research on the ISS helped scientists tackle problems we can’t solve on Earth, from human biology to fire behavior and ...

NASA has shared detailed insights on how space travel affects the human body, from radiation exposure to gravity changes.

In science fiction, spaceships moving at or beyond lightspeed enable all manner of universal exploration. But in Earth-bound reality, traveling at the speed of light (299,792,458 meters per second ...

NASA has been studying the effects of space on human health for over 50 years, focusing on how zero gravity, lack of fresh ...