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 ...

NASA’s Kepler Space Telescope is no longer operating, but its data still has surprises. Astronomers re-checking observations from Kepler’s extended K2 mission have identified what looks like a small ...

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...

On March 7, 2009, the Kepler Space Telescope took off from Cape Canaveral aboard a Delta II rocket. For almost a decade, the space telescope expanded our understanding of the universe before it ...

Scientists continue to mine data gathered by NASA's Kepler Space Telescope, retired in 2018, and continue to turn up surprises. A new paper reveals the latest: a possible rocky planet slightly larger ...

CNN — Ten years after the Kepler Space Telescope launched and revolutionized exoplanet discovery, Kepler-1658 b has finally been confirmed as the first exoplanet that the mission ever detected. It's ...

NASA's planet-hunting mission, the Kepler Space Telescope, has just discovered Kepler-452b, a planet that scientists are calling "Earth 2.0." Scientists said in a press conference Thursday that they ...

An exoplanet called HD 137010 b might be the closest thing astronomers have ever seen to “Earth 2.0.” The trouble is that it’s only been seen once—and may never be glimpsed again ...