Most extrasolar planets are about the size of Jupiter, not Earth. So, is Earth's size and orbit unique?
Most people would imagine that the Earth's rotation would be immune to our tampering. As it turns out, this isn't the case.
Could there be life on other planets? Given how unfathomably large the universe is, there very well could be.
Science tells you that you weigh less standing on the equator than you do at the north pole. Learn more on this Moment of Science.
You've tried all sorts of diets, you work out regularly, and you avoid fatty foods, yet still nothing seems to take off those extra pounds eh?
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
Geogenesis is the scientific term for the beginning of something very important, life. How did it all begin?
Where did the nine planets that orbit our sun come from?
Last time we mentioned the time when Soviet radio astronomers went public about listening in on radio signals from an alien civilization. As it turned out, what they were actually listening to was a quasar: the blazing core of a galaxy that can emit radio waves that fluctuate in a regular pattern. So regular, in fact, that people thought it was an alien intelligence. Learn more on this Moment of Science.
Unlike Saturn, which has actual, physical rings, the ring you can sometimes see around the moon is merely an optical illusion.