So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic center.

Observations from NASA's Chandra X-ray telescope and the VLT have revealed jets blasting from supermassive black holes cause ...

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

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 ...

NASA’s recent Image of the Day was the outer regions of the Tarantula Nebula, which is billed as one of the biggest and ...

Image: ESA/Gaia/DPAC, Stefan Payne-Wardenaar The European Space Agency’s Gaia mission has completed one of its major charges: delivering a map of the Milky Way galaxy, comprised of trillions of ...

Astronomers have been closely watching the galactic center for decades in a range of wavelengths to record its strange blips and burps to learn more about the activity and dynamics of the most ...

NASA’s James Webb Space Telescope has detected and “weighed” a galaxy – seen 600 million years after the Big Bang – that is similar to what our Milky Way galaxy might have looked like at the same ...

"It marks an exciting step forward in our understanding of dark matter and the dynamics of the Milky Way." A perplexing ... of dark matter that envelops our galaxy. "This work opens a promising ...

But a telescope reveals subtle structures within and outside the Milky Way that show how our own galaxy and others formed, explain their evolution through cosmic time, and even hint at their fate.