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

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

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

For decades, scientists have been puzzled by a strange observation about Saturn. Depending on how it was measured, the planet seemed to spin at slightly different speeds. This didn’t make sense, ...

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

The largest survey of exoplanets using an observatory atop Mauna Kea on the Big Island confirms a long-predicted relationship ...

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

Data from NASA landers showed that Mars's spin is speeding up. According to a new study, a gravity anomaly 1,200 kilometers ...

Astronomers using NASA’s Hubble Space Telescope have measured the rotation rate of an extreme exoplanet by observing the varied brightness in its atmosphere. This is the first measurement of the ...