Once a realm of imagination and stargazing, the Solar System has now been revealed in stunning clarity through decades of ...

At the end of Double Jeopardy!, Riccardi held a comfortable $5,000 lead with a total of $23,200. Puma was in second place ...

There's something neat that happens when the full moon is closer to the horizon, and we call it the "moon illusion." ...

Doubles, bold wagers, and a fierce fight for the top spot.

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...