Jupiter, the biggest planet in our solar system, is not as big as we thought. For more than half-a-century, astronomers thought they had a good idea of the gas giant's shape and size. Now, a fresh ...

NASA’s Europa Clipper, a $5.2 billion spacecraft headed for Jupiter’s moon Europa, is carrying a camera with just 8 megapixels — far less than a modern smartphone. But the choice was deliberate: the ...

The largest of all planets in the Solar System, Jupiter is a gas giant with a mass that is twice the size of all other planets combined. You may have learned in your school science text that if it ...

Using the Webb telescope, scientists discovered an unexpectedly cold, dense region within Io’s auroral footprint in Jupiter’s northern lights.

On March 8, 1979, NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. [‘On This Day in Space’ Video ...

WASHINGTON -- Scientists said they have found evidence of water in the atmosphere of Jupiter's icy moon "Europa." NASA said its Hubble space telescope observed the presence of persistent water vapor ...

Ganymede's auroras splinter into small, bright patches — structures that mirror features seen in Earth's own auroral displays ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter, the biggest planet in our solar system, is not as big as we thought. For more than half-a-century, astronomers thought ...

The measurements from NASA's Juno orbiter mark the first time that the size and shape of Jupiter has been evaluated in more than fifty years. NASA's Pioneer and Voyager missions made observations of ...