Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

From a window on the International Space Station, astronauts have captured a rare view of a nearby galaxy caught in the act ...

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

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

At least that's what the most current map shows. Astronomers have mapped the most extensive atlas of our Milky Way galaxy yet, including the positions of each and every one of those stars. The ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...

A new study shows how Milky Way chemical tracks emerge from shifting star formation and gas supply, reshaping ideas about the ...

Globular clusters are often described as ancient, tightly bound fossils of the early Milky Way. It has been believed that ...

From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds clues about when it formed and what the galaxy was like at the time. Over ...

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy, the Milky Way, in unprecedented detail. In one month of observations ...