One of the most powerful online tools at your disposal is the sprawling Google Earth project, which allows you to use satellite imagery to view a three-dimensional representation of the planet, ...

Green spots like these can be found in rocks on Earth when iron gets oxidized, giving the rocks a similar composition to rust — and researchers believe the same thing is probably happening on Mars.

Central Park in New York City is larger than the entire country of Monaco. The average person blinks 14 to 17 times per minute. Google Images was created after Jennifer Lopez wore the green dress at ...