The Latest Breaking News from the Milky Way

A mysterious flash of X-ray emission from outside the Milky Way has left astronomers puzzled.

Using the James Webb Space Telescope, astronomers have taken a detailed look at the supermassive black hole at the heart of the Milky Way, Sgr A*, finding it endlessly blowing bubbles.

100 years ago, a young Edwin Hubble settled astronomy’s "Great Debate"

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized planet along for the ride.

Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its exoplanet companion are speeding through our galaxy at more than 1.2 million mph. However, it is unclear if this is really the case.

Using the Gemini North telescope, astronomers have detected the largest black hole jet ever seen in the early universe. It's twice as long as the Milky Way.

Test your knowledge of the Milky Way's size, speed, age, galactic neighbors and more.

Move over wild swimming … ice diving in a frozen mountain lake and camping under the Milky Way connects you with nature at its most raw and magical

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his colleagues on his behalf reported that the Andromeda nebula, also called M31, was nearly a million light…

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.

A century ago, humans didn't know other galaxies existed. Here's how Edwin Hubble changed that view.