Meteor showers can be spectacular, but predicting when and where they’ll appear in the night sky has often been a challenge.

Io begins to cross the planet ... The smaller planet appears 8” wide and is nearly half-lit, showing a 45-percent-illuminated crescent. Also visible is Saturn, although the ringed planet ...

A "smiley face" formed by the crescent moon, Venus, and Saturn will be visible on April 25 ... a meteor shower and a smiley face among the planets and stars. If you love spending time in nature, there ...

A "smiley face" formed by the crescent moon, Venus, and Saturn will be visible on April ... a meteor shower and a smiley face among the planets and stars. If you love spending time in nature ...

"The three previously known planets that orbit the star, Kepler-51, are about the size of Saturn but only a few ... shocked when Kepler-51d appeared to cross the face of its parent star, or ...

Planet highlights are somewhat reduced this month although Mars makes a nice addition to the dim Zodiac constellation, Cancer ...

Cassini stayed in orbit around Saturn until Sept. 15, 2017, making a total of 294 orbits before falling into the planet's atmosphere and breaking apart. (Scientists planned this crash on purpose.) ...