Using ESA's Gaia satellite, astronomers have investigated three open clusters in the galactic disk, namely Berkeley 17, 18 ...

Astronomers have discovered powerful magnetic fields steering gas, dust, and star formation in a dramatic galaxy merger.

At approximately 100,000 light years in diameter, the Milky Way’s vastness and the broader, ever-changing dynamics of the cosmos defy any attempt to fully understand our home galaxy and its history.

NASA’s Hubble Space Telescope has captured a breathtaking and unprecedented sight in deep space—a galaxy rippling with nine ...

A galaxy remarkably similar in shape to our own Milky Way, yet significantly bigger and dating back to the universe's infancy, has been observed by astronomers. This cosmic relic, dubbed J0107a, ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...