Topic: Kuiper Belt - CSMonitor.com

Do Pluto's moons pose risks for NASA spacecraft? (+video)

Scientists are planning a new route for NASA's New Horizons space probe as it approaches a potentially perilous path toward Pluto. They aim to chart a safe, but interesting course.

Hubble spots fifth moon orbiting ex-planet Pluto

Pluto's fifth moon: five fascinating facts (+video)

Pluto now has at least five moons. Can we go back to calling it a planet?

Hubble telescope spots fifth moon orbiting Pluto (+video)

Draconid meteor shower: Don't let daylight or nearly full moon stop you

Where did Earth's water come from? Comet Hartley 2 offers new clues.

Pluto moon discovery hints at future surprises for NASA probe

End of the world May 21st? About a billion years too soon, astronomers say.

Should Pluto be restored as a planet? Experts weigh in.

In Pictures Space photos of the day 09/15

New telescopes could revolutionize astronomy, but at what price?

Kepler mission to hunt for planets just our size

Discoveries Comet Lulin arrives tonight - break out your telescopes

The Pluto Files

Across the Milky Way, more planet Earths?

On the horizon: News from the frontiers of science.