This easy Earth Moon Sun paper craft is perfect for some out of this world fun when learning about space. Here's how to make ...

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

Over 4.6 billion years ago, the early Earth emerged from a swirling disk of gas and dust encircling the young sun. This primordial material collided and coalesced, forming larger bodies through the ...

Timing is everything these days. Our communications and GPS networks all depend on keeping careful track of the precise timing of signals—including accounting for the effects of relativity. The deeper ...