Here's when to spot a lunar halo in the night sky Although many lunar phenomena are one-night-only events, a ring around the moon is much less elusive. Also known as a lunar halo, a bright white ring ...

In the vast universe of J.R.R. Tolkien, Sauron is a central figure, an antagonist who has left his mark on the history of ...

Saturn will undergo a drastic change in the coming months, at least as the planet is seen from Earth. Here's what's going to ...