Using the Mayall 4-meter telescope at Kitt Peak National Observatory, an international team of astronomers has observed ...

Stellar streams are trails of stars that astronomers can study to solve mysteries about the history of our Milky Way galaxy ...

A new image from NASA’s Webb Telescope captures a stunning new look at M90, a massive spiral galaxy escaping the Virgo Cluster and heading toward the Milky Way, Earth’s home galaxy.

A barred spiral galaxy with 100-400 billion stars, a supermassive black hole, and new 2025 discoveries from Gaia and JWST.

Astronomers have identified dozens of stellar streams in the Milky Way, offering clues about the galaxy’s structure and ...

The research, led by the Center for Astrophysics | Harvard and Smithsonian, shows how researchers can study the past of ...

For the first time, scientists have reconstructed the full history of a galaxy outside the Milky Way using chemical clues. By ...

As the Large Magellanic Cloud approaches our galaxy, its hidden black hole may one day collide with Sagittarius A. Discover ...

A nearby galaxy is behaving strangely—and now scientists know why. The Small Magellanic Cloud’s stars move in chaotic ...

Data from ESA's Gaia mission has been used to create an 3D animated view of the Milky Way galaxy's stellar nurseries. CREDIT ...

The oxygen in a galaxy does not sit still. It spreads, thins out, piles up, and leaves behind a record of where stars formed, ...

By reading the chemical “fingerprints” of a distant galaxy, astronomers reconstructed its 12-billion-year evolution. This new ...