Renowned Caltech astronomer Carl Grillmair, celebrated for discovering water on exoplanets, was tragically found shot dead at his remote observatory home. Grillmair, who received NASA's Exceptional ...

On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.

"This data provides us with rare insight into how galaxies were transformed in the early universe." ...

Galactic Astronomy encompasses the study of the structure, dynamics and evolution of galaxies – ranging from our own Milky Way to distant systems – through multifrequency observations and ...

Astronomers have identified an extraordinary cosmic pattern in our celestial neighborhood: a stream of dwarf galaxies orbiting Andromeda appears to form a striking “arrow” that points directly at ...

China’s Large High Altitude Air Shower Observatory (LHAASO), a major scientific infrastructure, has released groundbreaking results from its "Mini Survey of the Milky Way" program. With unprecedented ...