Earth would certainly be different without its rusty red neighbor. No Mars in the night sky, no target for future human exploration. Now, however, scientists say this scenario would result in much ...

Add Yahoo as a preferred source to see more of our stories on Google. In a few specific and mysterious parts of the world, a short journey can be like traveling through time – and scientists aren't ...

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects of viscosity in their simulation, they revealed a self-sustaining dynamo ...