Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star—a predicament never previously observed. This exoplanet, as planets beyond our ...

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 ...

Jupiter-like planets may be a common occurrence in the interplanetary space near our solar system, especially around stars similar to our sun, a new study suggests. If future observations confirm this ...