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 ...

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

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

Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

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

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

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

Learn more about the atmosphere of WASP-121b, or Tylos, whose winds are layered like no other planet’s.

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 ...

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...