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

The galaxy, located in the constellation Leo, is about the same size as a star cluster within the Milky Way and is about the ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

In the years following the launch of 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 ...

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

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

The Hubble Space Telescope has generated the most comprehensive survey yet of the Andromeda galaxy, the nearest galactic neighbor to the Milky Way. The new mosaic of about 2.5 billion pixels yields ...

Looking at a distant galaxy means looking back in time.

Here’s how it works. Most of the atoms in your body likely spent millions of years circling the Milky Way on a cosmic "conveyor belt" before returning to our galaxy prior to the solar system's ...

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

Spur and gap features seen in Milky Way’s GD-1 stellar stream could be caused by a self-interacting dark matter subhalo. New research points to a dark matter subhalo as the architect behind the unique ...