Astronomers have spotted an apparent supermassive black hole snacking on a star 600 million light-years away, wandering ...

Astronomers used the Hubble Space Telescope to image "peculiar" galaxy Arp 184 (NGC 1961) about 190 million light-years away.

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy.

What Is a Galaxy? A view of the spiral galaxy NGC 3982, as seen by NASA’s Hubble Space Telescope. Galaxies come in many ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

Did you know that the sun is up for more hours this month than in August? August is summertime, and May is still spring, so it may not seem quite right.

A thin shell of air wraps around Earth, stretching about 20 miles above the surface. This invisible veil is packed with tiny ...

Stargazers accustomed to scanning the Milky Way galaxy may notice something odd overhead this month: barely any milk in that way.

Spotted thanks to a fleeting light distortion in 2011, a mysterious duo — a tiny star and its hefty companion — has turned ...

An astronomer breaks down 3 key components that allow researchers to make groundbreaking discoveries — and decide when ...

The first image of the whole Earth from space came in 1972, when astronauts Ron Evans or Harrison Schmitt took a photo from ...

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...