Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

The Milky Way and thousands of other galaxies are drawn to "something": We have no idea what it is. The Great Attractor is a ...

Looking at a distant galaxy means looking back in time.

Leo P, a small galaxy and a distant neighbor of the Milky Way, is lighting the way for astronomers to better understand star formation and how a galaxy grows. Scientists have reported finding that Leo ...

The Hubble Space Telescope has generated the most comprehensive survey yet of the Andromeda galaxy, the nearest galactic ...

NASA’s Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby stellar island to our Milky Way — the ...

Hubble's first gigapixel panorama of the Andromeda Galaxy was published exactly ten years ago. This has now been ...

Image: CfA/Mel Weiss Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the very first time, and it’s shedding new light on ...