For the last decade Harvard astronomer Avi Loeb has been scanning the skies and seas for evidence of intelligent alien life.

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

The permanent loss of amputated digits and limbs is the cost of being human. While worms, amphibians, fish and echinoderms ...

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

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 ...