Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

Blue Planet covers your desktop in a map of the Earth, overlaying one of four different topographic maps, and enables you to pinpoint your location if location services are enabled. In real time, you ...

A stunning photo of a "parade of planets", shows Mars, Jupiter, Uranus, Saturn, Venus, Neptune, and Mercury in alignment from ...