Why are the planets where they are instead of somewhere else?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Where did our planets come from?
There is no place on the moon that is completely dark. Learn why!
If you want to reach from a geostationary satellite to earth using a rope does the rope's thickness matter?
Say you want to bring some supplies up to your satellite... could you just lower a rope down to earth and haul it up?
Why can't we place satellites directly above houses that are using the signal? Why does speed determine the placement of satellites? Find out now!
Did you know that Arthur C. Clark proposed the idea that satellites could remain motionless in the air?
Contrary to what fairy tales tell us, there is nothing holding the moon up in the sky. So why doesn't it fall down? Find out on this Moment of Science.
During a "meteor shower" bits of rocky material that enter our atmosphere from space burn up because of friction.
It was a great moment in the history of NASA, especially since people had been working so long at trying to get a probe to Mars