Astronomers see no stars ejected from the center of our Milky Way galaxy, giving them important information about the Sgr A* black hole.

The Milky Way ripples like a vast cosmic wave. Gaia’s precise measurements reveal a colossal motion sweeping through the galaxy’s disc, an echo of something mysterious in our galaxy’s ancient past.

For 50 years, astronomers have been searching for evidence of winds emanating from the black hole Sagittarius A*. Now, they ...

A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according ...

A team of scientists from the Istituto Nazionale di Astrofisica (INAF) in Italy, led by astronomer Eloisa Poggio, looked ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

Capitol Reef National Park offers some of the darkest skies in the U.S., making it an exceptional spot for stargazing. The ...

Astronomers have caught a blast of hot wind streaming from the Milky Way’s central black hole, Sgr A*, for the first time ...

Astronomers using Gaia’s precise star maps have uncovered entire hidden galaxies concealed within the Milky Way itself.

Astronomers have traced the hidden fingerprints of dark matter by observing rare, glowing galaxies that lived in the early ...

The Milky Way galaxy is far from static. It spins, it wobbles, and now, thanks to the European Space Agency’s Gaia space telescope, we know it also carries a massive wave rippling across its disk.

A clear wave pattern emerges when looking at the motions of stars at the edges of the Milky Way, as seen here in this map of ...