space

There have been reported UFO sightings throughout the history of the United States, with Colorado having it's fair share caught on tape. But are these really other life forms, or just a figment of the imagination?

Anything that needs explaining with no basis of fact or logic is difficult for some people to believe with blind faith. But sometimes all it takes to turn someone into a believer is a firsthand experience of his or her own.

It was a perfect illusion.

Trending topics on Twitter today: Carly Fiorina, Ash Wednesday, and how people would greet aliens in five words. Leave it to Coloradans to make it about weed.

The first flower to grow in space had a rocky start to its growth, but it's simply beautiful (and out of this world).

NASA released an image of what appears to be a massive ice volcano on Pluto.

For the first time in 10 years, Mercury, Venus, Saturn, Mars, and Jupiter will all be visible from Earth in a diagonal row from Wednesday, January 20, to Saturday, February 20.

If you've always wanted to be an astronaut, this could be your moment to shine.

For the first time since 1977, a full moon will land on Christmas Day.

NASA scientists are reporting definitive signs of liquid water on Mars' present-day surface. "This, I think, gives a focus of where we should look more closely," said Alfred S. McEwen, professor of planetary geology at the University of Arizona and investigator of high-resolution images taken on NASA's Mars Reconnaissance Orbiter...

An astronaut, who earned a master's degree from CSU, is being launched into space today to manage scientific experiments on the International Space Station.

Sir Richard Branson is a lot of things but he may be the next Orville and Wilbur all rolled into one. He has about done it...commercial space flights; they've already done it.