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 ...

Astronomers have discovered by looking through an exoplanet's atmosphere and mapping its 3D structure for the first time ...

Is it a bird? Is it a plane? No, it's super Neptune! But this Superman-mimicking planet is not blasting through space on its ...

"It feels like something out of science fiction," said European Southern Observatory astrophysicist Julia Victoria Seidel.

Astronomers have discovered a powerful jet stream raging through the atmosphere of an ultra-hot Jupiter exoplanet ravaged by ...

Researchers have peered into the atmosphere of planet WASP-121b and found its climate is stranger than anyone imagined.

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

James Webb Space Telescope imagery of the Carina Nebula, Southern Ring Nebula and exoplanet WASP-96 b atmospheric data has ...

The agency announced on Monday afternoon (Feb. 10) that it has picked SpaceX to launch Pandora, a 716-pound (325-kilogram) ...

Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first ...

A Neptune-sized exoplanet has been detected moving at a record-breaking 1.2M mph, led by a hypervelocity star.