Astronomers have chased hypervelocity stars for more than a century. These rare objects move so fast that the Milky Way ...

The Milky Way was once a textbook example of how a spiral galaxy should form and evolve. Now a wave of new observations and simulations is forcing astronomers to admit that many of those origin ...

The Milky Way looks serene from our vantage point, a hazy river of light arcing across the night sky. Yet the stars that make up that glow are quietly telling a more dramatic story, one in which our ...

WASHINGTON, March 6 (Reuters) - The Large Magellanic Cloud is a dwarf galaxy residing near our Milky Way, visible to the naked eye as a luminous patch of light from Earth's southern hemisphere and ...

Observations from the European Space Agency’s Gaia mission have revealed a giant wave rippling through the disk of the Milky Way. This image derived from Gaia data shows an edge-on view of our galaxy; ...

By tracking these stars back to where they came from, scientists can map the gravitational field of the Milky Way. This helps ...

Our understanding of the galaxy has advanced with every leap in the number of stars. From early observations to more and more advanced space and ground-based telescopes, each milestone has revealed ...

All of the people and mountains and planets and stars that you see around you only make up 15% of the universe's mass. The ...

Astronomers analyzing the interstellar object known as 3I/ATLAS say new trajectory and composition data point to an origin ...

Astronomers have long thought that the Milky Way is headed for an inevitable crash with its neighbor, Andromeda. But a new study complicates the story. Researchers have long thought that the Milky Way ...

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 ...