Illustration of a stage in the formation of the Earth-moon system. The Earth had recently formed (4,600 million years ago) when it was struck by a large protoplanet, sometimes dubbed Theia ...

It begins by explaining the gravitational relationship between the Earth, Moon, and Sun ... Trump buys red Tesla Model S at White House alongside Elon Musk: 'I like signing a check!' ...

However, there is now growing evidence that it is almost as old as our solar system. The moon is probably even older than assumed and was carved out of the earth only 65 million years after the ...

The two images released Thursday morning show the six-legged Nova-C lander with Earth in the background ... a foothold on the moon to reach further into the Solar System.” ...