NASA's prolific Kepler space telescope, which shut its powerful eye nearly five years ago, continued finding exoplanets even while taking its final breaths. A team of astrophysicists and citizen ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

The reaction wheels, shown in this diagram, are the source of Kepler's woes. (NASA graphic) NASA engineers have successfully transitioned its planet-seeking Kepler telescope to "point rest state" -- ...

It's the last clearly observed supernova in the Milky Way, Gassel said.

After nine years in deep space collecting data that indicate our sky to be filled with billions of hidden planets – more planets even than stars – NASA’s Kepler space telescope has run out of fuel ...

A new analysis of data from NASA’s Kepler spacecraft increases the number of habitable exoplanets thought to exist in this galaxy. By Dennis Overbye After nine and a half years in orbit, 530,506 stars ...

NASA has captured 25 years of observations from the Chandra X-ray Observatory showing the aftermath of Kepler’s Supernova, a ...

NASA’s elite planet-hunting spacecraft has been declared dead, just a few months shy of its 10th anniversary. Officials announced the Kepler Space Telescope’s demise Tuesday. Already well past its ...

Think you could stare at a single spot without blinking for 3½ years? Then be glad you’re not NASA’s Kepler telescope, which is set to blast into space from Cape Canaveral, Fla., this Friday night.

At this time last year, the scientists working on Kepler, NASA’s fantastically successful planet-hunting space telescope, were ecstatic. The probe, launched in 2009, had originally been given just ...