The giant planet Jupiter is back in our evening sky this week. Fresh from its opposition with the sun on Jan. 10, it now lies as close to the Earth as it ever comes, and shines at its most brilliant.

Astronomy textbooks worldwide may need updating after scientists announced a surprising discovery about Jupiter.

Add Yahoo as a preferred source to see more of our stories on Google. An enhanced-color image, using raw data from the JunoCam instrument aboard NASA's Juno spacecraft, shows the planet Jupiter, with ...

Jupiter, the solar system's colossal gas giant, has long been known as the largest planet, capable of holding over 1,300 Earths within its vast hydrogen-helium bulk. New measurements from Nasa's Juno ...

The Great Red Spot is arguably Jupiter's most iconic feature. Mention the giant planet and most of us conjure up an image of striped gas ball with a big red beauty mark. While the spot has been ...

Jupiter may turn out to be a bit smaller and more flattened than scientists once believed. New data collected by NASA’s Juno spacecraft is revealing a subtly revised portrait of the gas giant.

WASHINGTON, Feb 4 (Reuters) - Jupiter, without a doubt, is the biggest planet in our solar system. But it turns out that it is not quite as large - by ever so small an amount - as scientists had ...