NASA explanatory scientists announced Thursday that the Kepler Space Telescope has found an Earth-like planet in our galaxy. Elisa Quintana, exoplanet research scientist for the SETI Institute at NASA ...

Six hundred and thirty-five light years away from Earth, there is a world that seems to promise something almost unimaginable: a planet covered in a vast liquid ocean, where survival might actually be ...

Kepler's sun drawings are the oldest sunspot records with known dates. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. "Half-forgotten" sunspot ...