Scientists may have been overestimating the size of the solar system’s biggest planet. New data from NASA’s Juno spacecraft hint that Jupiter is a bit thinner and flatter than previously thought, ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than ...

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik Jupiter, the ...