Looking at a distant galaxy means looking back in time.

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

The Firefly Sparkle Galaxy is the first Milky Way-sized galaxy to ever be found while still in the process of forming.

The center of our Milky Way galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas.

Scientists have linked supernovae to the heating of the Milky Way's outer gas layer, revealing a cosmic dance of creation and destruction that shapes our galactic environment. Scientists may have unco ...

Using NASA's James Webb Space Telescope, scientists have observed a galaxy nearly 6.5 billion light-years from Earth, and ...

From the Andromeda Galaxy to the Magellanic clouds, check out these 7 vibrant images of galaxies nearest to the Milky Way ...

Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* Supermassive black hole at the core of the Milky Way galaxy - Milky Way vs ...

For the first time, a new study confirms that circumgalactic medium (CGM) doesn’t just contain “hot gases enriched in oxygen” ...

The Milky Way is our galactic home, but just how big is it?  Dive into this fascinating exploration of the galaxy's size, ...

Happy Galaxies Day! A century ago tonight, Edwin Hubble exposed a photograph at the 100-inch telescope on Mt. Wilson whose ...

But the state-of-the-art space observatory has recently imaged two grand design spiral galaxies, and one appears to be the ...