Even as momentum builds toward sending humans to Mars in the next decade, several regions on the Red Planet remain off-limits ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...

At the moon's north and south poles, permanently shadowed craters remain so cold that water ice and other frozen compounds can persist for billions of years. Scientists think these ancient deposits ...

May not look or smell spoiled, but can still make you sick; recalled products should be thrown out returned to point of ...