The fact that our solar system has eight planets (unless you’re a Pluto apologist) is one of the first things we learn in our educational journey (anyone remember the “Blue’s Clues” planet song?). But ...

The solar eclipse is quickly approaching. While you prepare to hit the road towards the path of total darkness or stay close to home in the Bay Area to experience the partial eclipse, you’ll need ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...