Why is the earth round? Why isn't it a cube or a pyramid?
Global warming is a topic of political debate and scientific study these days. Is it happening? Scientists say the evidence is pointing in that direction.
Learn about gravity, stars, and really big lumps on this Moment of Science.
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?
A Moment of Science gives a Science Hero Award to Galileo!
Venus may appear to glow under moonlight but the planet also glows in infrared light.
Have you heard about the great solar energy enthusiast, Auguste Mouchot?
August 1st was a pretty exciting day on the surface of the sun: flares, tsunamis, and lift offs OH MY!
We bet you have never seen a space video quite like this. No one has!