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Skies across Colorado will offer a rare opportunity for seeing the Northern Lights — typically seen in places like Canada and Alaska. The impetus for this…

Long gone, but never forgotten, Voyager 1 is about 12 billion miles from home and now sailing through interstellar space, scientists were thrilled to confirm in 2013. The spacecraft carries with it a generation's dreams.

The iconic photo taken on Christmas Eve 1968 "came about by accident," says space writer and historian Andrew Chaikin. A new NASA animation shows just how close the astronauts came to missing the shot.

A University of Colorado Boulder led mission to Mars blasts off Monday morning. It’s the first time CU Boulder has led such a mission.The mission is being…

With the space agency largely grounded, employees Karen Nyberg and Mike Hopkins continue to orbit 250 miles above Earth aboard the International Space Station. While it's not clear they have all that much to do, their Twitter feeds show they may be getting creative — and perhaps a bit bored.

Scientists publishing in Astrophysical Journal Letters say they've used space telescopes to record faint light from the distant planet to get a rough map of its atmosphere.

In a paper released in the journal Science, researchers explain that if the Red Planet is harboring life, the instruments on the rover have been unable to sniff it out.

The robotic capsule Cygnus, scheduled to dock with the orbiting outpost on Sunday, is the second commercial vehicle to resupply the station.

Orbital Sciences' Cygnus is set to blast off Wednesday for the International Space Station. If successful, it will become the second private robotic craft to dock with the orbiting lab.

Japan has sent a space telescope into orbit, as its new Epsilon rocket delivered its payload to orbit altitude Saturday. The country's Japan's space agency calls the launch a step toward its goal "to lower hurdles to space." The launch was reportedly done via laptop.