Planets come in all sizes, but some discoveries have completely blown away expectations. In 2025 alone, astronomers have confirmed massive worlds that were thought to be unlikely, or even impossible, ...

In the future, this feature could be used to shed light on chemistry and even the birth of planetary systems.

Astronomers have discovered a brand-new type of planet outside our solar system that, even in its infancy, is already bigger than Jupiter. What's more, the find represents the first clear detection of ...

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 ...

Gas giant Jupiter is so large it could swallow up over 1,300 Earths and still have some room to spare. If you want that in even more numbers, that would be a diameter at the equator of close to 90,000 ...

(Nanowerk News) Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don’t have hard surfaces. Jupiter and Saturn are the gas giants in ...