The exotic atmosphere of LTT 9779 b, a rare "ultra-hot Neptune," is coming to light thanks to observations via the James Webb Space Telescope led by ...

You can see the planetary parade almost every night this week with the best happening on the last day of the month.

Meet Tylos: a gas giant 900 light years away and with a climate never seen before on any planet known to scientists.

The James Webb Space Telescope was late to launch, but the observatory is making up for lost time. After several years of ...

But in the grand scheme of the solar system, Earth's Moon isn't as big as you might think. Oberon is Uranus’s second-largest ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...