The Olympic rings are among the most recognizable logo in the world. But what do the five rings mean? You might be surprised ...

The eclipses tend to follow each other, taking advantage of the sweet spot in the celestial bodies' orbits. Tuesday's total ...

The each of the five Olympic rings represent a different continent. Thought the U.S. teaches there are seven continents, the Olympics use the five-continent model. Each ring's color is associated with ...

A blood-red moon will soon grace the skies for a total lunar eclipse — and there won’t be another until late 2028.

7 continents of the world: The Earth consists of 71% and 29% of landmasses. These land masses are further divided into continents. The complicated geological process of plate tectonics led to the ...