Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

About 25 light years away from Earth lies Fomalhaut, one of the brightest stars in the night sky. The Fomalhaut system has captivated astronomers for decades, but it’s only now that we’re developing a ...

Earth is far from the only celestial body in the Solar System.

These violent openings are windows into the inner workings and origins of our neighboring planets and their moons. When you purchase through links on our site, we may earn an affiliate commission.

Our solar system features eight planets, and each of these planets is very distinguishable as they are all quite different. During the time that humans have been exploring our solar system and the ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

Astronomers have zoomed in on small loops of plasma within a powerful solar flare for the first time, potentially revealing the fundamental building blocks of the sun's violent storms. The images, ...

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

After dazzling the world with the first images from the powerful James Webb Space Telescope this week, NASA released even more photos from the observatory yesterday, this time pictures from within our ...