These three exoplanets are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.

A bizarre, ultra-light planet is cloaked in such a thick haze that even JWST can’t reveal its composition. Its unusual size and orbit are forcing scientists to rethink how planets form.

If you're seeking chart-topping gaming performance, then Alienware's biggest and most powerful prebuilt desktop computer should be high on your list. For just a few more days the Alienware Area-51 AMD ...