Since we cannot look into the interiors of stars and planets, we rely on lab experiments to replicate the physical processes ...

Planets form from disks of gas and dust around young stars, but the gas needed for growth does not last forever. New ...

Buckle your seatbelts. We’re about to take a ride on the cosmic superhighway. What exactly are these celestial autobahns? How ...

Jets, winds, and blasts of light tend to get rid of the building blocks of planets before they have a chance to assemble.

Backyard astronomers won't want to miss this special phenomena that will occur next week.

Pluto lost its planethood for a very specific reason. Whether or not that’s a good reason depends on who you ask.

A river of gas over a trillion miles long is streaming onto a young planet-forming system and is tipping it over.

Learn how Pluto nearly kept its planet status in a proposed 12-planet Solar System as its demotion marks its 20th anniversary ...

The last five-planet alignment occurred in June 2022, marking the first time in 40 years since the last celestial spectacle took place A major part of our solar system will be visible right outside ...

Go look at The Planets Today. Notice anything strange? The planets are all on one side of the Solar System, with Earth somewhere in the “middle” of the cluster. While this is normal, natural and ...