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 ...

A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...

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

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 ...

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" -- ...

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

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 ...

If you’re looking for Earthlike planets around other stars — places about the size and temperature of our own planet, where life could in theory be found — it might seem like a letdown to stumble ...

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 ...

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 ...

After three years of searching, scientists have caught the elusive phenomenon. — -- The "brilliant flash" that occurs when a star dies and explodes has been captured for the first time in visible ...