for years, the measurements didn't add up - now scientists have just revealed why.

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

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 Mauna Kea on the Big Island confirms a long-predicted relationship ...

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.

NASA’s James Webb Space Telescope and Hubble Space Telescope have produced a detailed paired view of Saturn, and the images are doing more than just looking pretty. Taken weeks apart, the two ...

Scientists announced Monday that Earth is rotating slightly faster than normal, resulting in what is expected to become the second-shortest day ever recorded since precise atomic timekeeping began.

For decades, Saturn has been playing a strange trick on scientists. Depending on how ...

Somewhere deep below Saturn s cloud tops, the planet rotates at a constant speed. Determining this interior period of rotation has proven extremely complicated. Now, with new Cassini results, a team ...

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