While this natural phenomenon might seem simple to explain, its roots are woven into the intricate tapestry of physics and atmospheric science. Understanding why the sky is blue reveals a story of ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

Did you spot beams of light streaming down from the sky early Tuesday morning ... effects from a science fiction movie, are actually a natural phenomenon that occurs worldwide.