If you’re hunting for the best free movies to stream this week, you’re in the right place. We’ve rounded up five top picks across a mix of genres – including eerie indie sci-fi, big-budget action, a ...

Summer nights offer lots of interesting sights this month. Mercury and Mars are on show in the evening twilight. Both Uranus and Neptune stand near brighter beacons: Neptune and Saturn are two ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

Pluto at Last Nine years after leaving Earth, New Horizons closes in on the last of the Original Nine planets, and whatever lies beyond.

Seductive Pluto is turning retrograde in Aquarius from May 4 to October 13. Here’s what that means for you.

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why Pluto isn't a planet.

Pluto was discovered 95 years ago. It has captured imaginations ever since.

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with Charon billions of years ago.

A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the ...

Pluto and Charon’s meet-cute may have started with a kiss. New computer simulations of the dwarf planet and its largest moon suggest that the pair got together in a “kiss-and-capture ...