A viral image shared to Facebook purports to show the convergence of Jupiter and Saturn, in which the two planets appeared closer to each other than they have in centuries. "Best photo I have seen of ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

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NASA has released a slew of pictures of the "Christmas star," a celestial event where the two largest planets in the solar system, Jupiter and Saturn, form what looks like a double planet. The event ...

PHILADELPHIA - After seven years of traveling through the solar system, the Saturn-bound spacecraft Cassini will finally reach one of the Saturnian moons - an odd ball called Phoebe. If all goes as ...

Astronomer Christopher De Pree is about to see something unseen from Earth since Galileo first pointed his telescope at the stars. Our solar system's two biggest planets in one viewfinder: Jupiter and ...

Saturn could be more visible than typical this weekend for Michigan stargazers. Saturn, the sixth planet from the sun in the solar system, will be in opposition Sunday, Sept. 21 — appearing opposite ...