A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Soccer balls are tricky to design for proper spin. NASA highlighted how it is helping with FIFA ball design—and providing ...

The origin of turtles has puzzled scientists. A new study provides more evidence that these shelled reptiles share a common ...

But new evidence has started to challenge the notion that human childbirth is uniquely dangerous. A new paper published today ...

In the earliest stages of life, mammalian embryos start as a disorganized cluster of cells. As development progresses, these cells become organized into well-defined shapes and structures. This ...

During its journey through the atmosphere over tens of miles, the asteroid collides with air molecules, and the incredible ...

In the fifth episode of our Stones & Bones video series, National Geographic digital editor Nicholas St. Fleur explores how a ...

Why humans have a philtrum, the groove above your lip, explained by an evolutionary biologist — from embryonic face-building ...

Echinoderms, such as starfish, sea urchins and sea lilies, use small, flexible, tubular projections called "tube feet" for ...