After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

For example, you’ll need binoculars or a small telescope to see Uranus and Neptune—so, while the seven planets will be there, ...

The two planets will reach their minimum separation — one-third of 1 degree ... much different hours or even a day earlier when the sky is dark, said Jon Giorgini of NASA’s Jet Propulsion ...

NASA's newest space telescope will scan the entire sky in a range of near-infrared wavelengths to help astronomers better ...

Michigan residents can head to dark sky parks across the state for best ... only a few months at a time when it reaches its greatest separation from the sun. Mercury, which takes 88 days to ...