After nearly ten years and 2,681 planets, it's time to say good-bye to the Kepler space telescope. NASA has announced that the mission has ended. Unlike more open-ended missions like Curiosity or ...

A team of astrophysicists and citizen scientists have identified what may be some of the last planets NASA’s retired Kepler space telescope observed during its nearly decade-long mission. The trio of ...

Seismic activity on the Red Planet – unsurprisingly called Marsquakes instead of Earthquakes – has allowed scientists to draw some conclusions about the rocky material that makes up the planet's ...