The collision of the Andromeda Galaxy and the Milky Way, once predicted to occur in billions of years, may have already begun.

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 of light around the moon can appear anytime ...

She arrived hand-in-hand with her fiancé, wearing what appeared to be an 8-carat, oval ... ring, which consisted of an estimated 6-7 carats. The sapphire was surrounded by a 3-4 carat diamond ...

She arrived hand-in-hand with her fiancé, wearing what appeared to be an 8-carat, oval-cut diamond ... with a pink sapphire ring, which consisted of an estimated 6-7 carats. The sapphire was ...

A thicker cloud deck can create a much tighter ring around the sun or moon. Too thick of a cloud layer will block the light completely and prevent a halo from forming even if the crystals are all ...

The Cartier Halo ... for the ring when Lady Diana Spencer and Prince Charles announced their engagement back in February 1981, and her 12-carat oval sapphire surrounded by 14 diamonds from British ...