A new study shows cultural evolution helped humans expand across Earth far faster than genetic change alone could achieve.

Forget Survival Of The Fittest. Humans Conquered Our Planet By Sharing Ideas. In A Nutshell Humans spread across nearly every ...

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes that ...

The Cambrian Explosion in which life on Earth underwent massive diversification was likely triggered by eccentricities in Earth’s orbit around our Sun. Or so say the authors of a new paper just ...

A new study has found that nearly half of the body traits identified across mollusks – a group that includes snails, clams, ...

Earth's surface is the living skin of our planet—it connects the physical, chemical and biological systems. Over geological time, this surface evolves. Rivers fragment the landscape into an ...

All biological amino acids on Earth appear exclusively in their left-handed form, but the reason underlying this observation is elusive. Recently, scientists uncovered new clues about the cosmic ...

Dear EarthTalk: Are any plants and animals evolving backward by incorporating traits that they lost long ago? -- Joseph R., ...