New research suggests that temperatures on ancient Mars may have fluctuated between hot and cold periods through a relatively ...

Meteorologist Taylor Stephenson explains the science behind "specific heat capacity" in this installment of "Weather Works." ...

Sometimes, the best innovative ideas come from synthesizing two previous ones. We've reported before on the idea of having a ...

A remarkable sight will appear in the southwestern sky an hour after sunset Saturday evening when Venus appears very close to a thin crescent moon.