Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic planet formation.

It's easy to get lost in a clear night sky full of stars. It can feel like a random mess of lights without a little guidance.

Skywatchers across the world will witness the first total lunar eclipse in three years. Here’s who will have the best ...

Our vast expanse of outer space provides endless star, moon, and planet gazing opportunities ... swirling winds the ice caps form wonderful patterns that seem too beautiful to be real.

The Moon’s size on the horizon has puzzled humans for millennia. Despite ancient philosophers and modern scientists tackling ...