Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

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 ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

In February 2025, all seven of our planetary neighbors will be visible from Earth. So what does such a planetary alignment ...

Scientists have long overlooked white dwarfs as hosts for habitable exoplanets, assuming their lack of fusion would make life ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

"An X-37B onboard camera, used to ensure the health and safety of the vehicle, captures an image of Earth while conducting ...

HD 20794d orbits its star with two other super-Earth planets, designated b and c, which orbit their star every 18.3 and 89.6 days, respectively. These were discovered in 2011 by a team of Geneva ...

Stargazers and science enthusiasts have plenty to look forward to in the coming weeks, as the night sky will offer a lineup ...

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