NASA has released an unprecedented time-lapse video showing the evolution of Kepler’s Supernova Remnant, a cosmic relic of a ...

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

The space agency pieced together the evolution of Kepler’s Supernova Remnant from the data of NASA’s Chandra X-ray ...

Space scientists have released jaw-dropping scenes capturing a star’s violent death — recorded over more than two and a half decades.

The expansion of Kepler's Supernova Remnant over the past 25 years is summed up in 40 seconds in a new video released by NASA ...

Engineers-turned-first responders nursed NASA’s planet-hunting Kepler observatory back to stable condition after it unexpectedly slipped into emergency mode 75 million miles from Earth last week, ...

Mission managers with NASA's Kepler space observatory announced Wednesday that a second reaction wheel failed, a problem that inhibits the ability to aim and threatens to end the mission. Mission ...

NASA’s Kepler planet-hunting space telescope resumed science operations March 20 after spending six days stuck in a protective safe mode while engineers studied the computer glitch. An anomaly ...

Health issues are jeopardizing the planet-hunting work of NASA's prolific Kepler space telescope, which has identified more than 2,700 potential alien worlds to date. One of Kepler's reaction wheels — ...