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 ...

Protoplanetary disks are the birthplaces of planets, but few discoveries have stretched scientific expectations like IRAS ...

In this wide-angle view you can see that winter's brightest stars connect into an enormous asterism called the Winter Hexagon ...

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 ...

A strange, sandwich-shaped object is giving astronomers a rare view of the chaotic birthplaces of planets.