Jupiter, the largest planet in our Solar System, has just gotten a bit smaller, at least according to the latest data. New ...

Jupiter, long treated as the solar system’s fixed point of planetary normalcy, has just been knocked off that pedestal. New ...

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 ...

The biggest planet in our Solar System just got a little smaller. Okay, not physically, but our measurements of Jupiter just ...

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

“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 ...

New measurements from the Juno probe show that the largest planet in the solar system is slightly smaller and flatter than ...

The Juno spacecraft now orbiting Jupiter has a suite of science instruments which will investigate the existence of a possible solid planetary core, map Jupiter’s intense magnetic field, measure the ...

The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

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?