Long-Sought Auroral Glow Finally Emerges Under Webb’s Powerful Gaze Neptune lies in the cold, dark reaches of the outer edges of our solar system, about 3 billion miles from the Sun, at the farthest ...

At a distance of just over four light years, Proxima Centauri is our nearest stellar neighbor and is known to be a very ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

Explore Earth and its relationships with a plethora of planets, stars and galaxies in its cosmic family, Laniakea, the ...

NASA's James Webb Telescope uncovers a 'planet factory' in Orion, revealing young stars and dusty disks rapidly forming ...

A supercluster is usually composed of hundreds or even thousands of clusters of galaxies, and these clusters are ...

Andromeda XXXV is the smallest and faintest galaxy ever observed Located3 million light-years away, it defies galaxy formation theories Scientists are rethinking how such galaxies survive extreme ...

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

Astronomers have discovered Andromeda XXXV, the smallest and faintest known galaxy, located 3 million light-years away. It challenges existing models of galaxy formation, as similar small galaxies ...

Data from NASA's Great Observatories has been combined to produce this unprecedented image of the central region of the Milky Way. A new mission aims to deepen the understanding of a phenomenon ...

Researchers led by astronomers at the University of Michigan have discovered the smallest and dimmest galaxy to date that’s orbiting the Andromeda system, the Milky Way’s nearest major galactic ...