By Will Dunham WASHINGTON, Feb 4 (Reuters) - Jupiter, without a doubt, is the biggest planet in our solar system. But it ...

Jupiter may be a bit more petite than expected, and that could have a big impact on how scientists model the mysterious ...

Using high-precision radio-occultation measurements from NASA’s Juno mission and incorporating the effects of zonal winds, ...

“Textbooks will need to be updated,” study co-author Yohai Kaspi, a planetary scientist at the Weizmann Institute of Science ...

Jupiter is officially “smaller” than it was yesterday. To be clear: the planet itself didn’t physically contract overnight.

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

For over 50 years, we thought we knew the size and shape of Jupiter, the solar system's largest planet. Now, Weizmann ...

NASA’s Juno spacecraft finds Jupiter’s diameter slightly smaller than old estimates, providing precise data on the gas ...

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

From dazzling Jupiter high in the evening sky to elusive Mercury low at sunset, February 2026 offers one of the year's best ...

Mercury, Venus, Neptune, Saturn, Uranus and Jupiter will appear together shortly after sunset on Feb. 28 — but is this the "planet parade" we've been waiting for?