Scientists may have been overestimating the size of the solar system’s biggest planet. New data from NASA’s Juno spacecraft ...

“This research helps us understand how planets form and evolve… by studying what’s happening inside Jupiter, we get closer to ...

The planet's radius from pole to center has been revised to 66,842 km, and at the equator to 71,488 km. That makes it about 12 km smaller along the poles, and about 4 km smaller at the equator, than ...

New research data using NASA’s Juno spacecraft shows Jupiter is slightly smaller and flatter than decades-old estimates.

Jupiter imaged by the Juno spacecraft, with the shadow of the massive moon Ganymede to the left. Data from Juno suggests that ...

“Textbooks will need to be updated,” study co-author Yohai Kaspi, a planetary scientist at the Weizmann Institute of Science in Israel, said in a statement. “The size of Jupiter hasn’t changed, of ...

The gas giant’s shape and size, previously known only from data collected more than 45 years ago, have been updated at last.

For decades, scientists believed they had a solid handle on Jupiter’s size and shape.

According to this early data, Jupiter’s equatorial radius was around 44,423 miles (71,492 kilometers), and its polar radius ...

Jupiter’s swirling storms have concealed its true makeup for centuries, but a new model is finally peeling back the clouds.

Jupiter, the largest planet in the solar system, is slightly smaller and more flattened than scientists once believed, ...