Jupiter and Saturn look serene through a backyard telescope, but beneath and around their clouds, both worlds are in dramatic ...

Saturn (above) and Jupiter (below) in the sky above a church in New York City. Gary Hershorn Photographers from around the world captured Jupiter and Saturn aligning almost perfectly in the night sky ...

Jupiter and Saturn, our solar system's two largest planets, were visibly closer together on Monday night than they have been in 800 years — marking an extremely rare celestial event known as the ...

On Christmas night, Jupiter will be one of the brightest objects in the sky — and a  stand-in for the mythical “Christmas ...

Jupiter and Saturn will be so close Monday that they will appear to form a "double planet." Such a spectacular great conjunction, as the planetary alignment has come to be known, hasn't occurred in ...

Northeast a reason to look up and marvel after sunset.Sunset is expected around 4:30 p.m. Eastern time on Wednesday. As the ...

Huge, hundred-year storms on our gas giant neighbors might reveal clues about the weather on far-off exoplanets, scientists have found. While we have known for a while that Jupiter's enormous, ...

Keep a close look at the sky and you may what looks like a 'Christmas Star' Keep a close look at the night sky in December and you may see a rare occurrence between the two biggest planets in our ...