For centuries, astronomers faced the challenge of classifying objects in space based on their appearance. When observing an ...

For decades, measurements of Saturn didn’t add up–now scientists have discovered the unexpected reason why.

Learn how winds in Saturn's upper atmosphere power a continuous aurora, creating misleading changes in the planet's rotation rate.

The largest survey of exoplanets using an observatory atop Maunakea on the Big Island confirms a long-predicted relationship between planetary mass and rotation — putting a new spin on planet ...

In the future, this feature could be used to shed light on chemistry and even the birth of planetary systems.

For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive ...

Thanks to NASA's Cassini spacecraft which has been orbiting Saturn since 2004, scientists have been able to observe for the first time ever the seasonal atmospheric circulation direction change on ...