The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

A rare grand celestial reunion is happening through February, with the moon shining close to Uranus on Wednesday, February 5. While the planets are always "aligned," seeing more than four in the ...

Uranus has always been an intriguing planet ... Further, Saturn’s tilt may also be tied to the migration of its largest moon, Titan. This isn’t an unusual circumstance, either.

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that the next won’t happen until 2040.