A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

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

If you look up on a clear night from a darksky location, you might see the Milky Way as a faint band of thousands of stars.

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

Radio galaxies already feature mind-bending physics, with supermassive black holes accreting matter at the galactic core and sending out vast plasma jets that glow at radio frequencies. Those larger ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...

The plasma jets of this cosmic giant span 3.3 million light-years from end to end - over 32 times the size of the Milky Way ...

Watch the mesmerizing Tarantula Nebula video captured by the Hubble telescope, showcasing the most productive star-forming ...

Astro Tourism is the travel trend you didn’t know you needed. As 6 planets align in February 2025, here are best spots to watch the rare event in Saudi Arabia.