For the first time, astronomers have mapped the vertical structure of Uranus’ ionosphere, uncovering unexpected temperature peaks, weakened ion densities, and puzzling dark regions shaped by the ...

Interstellar object 3I/ATLAS appears to have started spewing huge amounts of water and other organics into space.

The Apollo missions changed how scientists understand the moon. Returning with Artemis could help solve some of the biggest lunar mysteries.

Far beyond Neptune, at the cold edge of our solar system, millions of icy objects drift quietly in a region called the Kuiper ...

The James Webb Space Telescope has produced the first-ever three-dimensional images of Uranus’s upper atmosphere, revealing a chaotic and shimmering world of infrared auroras.

"Uranus's magnetosphere is one of the strangest in the solar system," Paola Tiranti, a researcher at Northumbria University in the U.K., said in a statement. "It's tilted and offset from the planet's ...

Of the eight known planets in the Solar System, Mercury is the smallest and closest to our star, the Sun. Mercury has been known since the time of ancient Babylon, in the 14th century BC. Its name ...

This February’s alignment spreads Mercury, Venus, Neptune, Saturn, Uranus and Jupiter across the western to eastern sky after sunset on Feb. 28. All six will appear shortly after sunset, according to ...

An accomplished Caltech astrophysicist with more than four decades of research contributions in galactic astronomy and the ...

If executed at the scale, Musk's orbital data center plan could have devastating effects on the environment and the ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...