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

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

The Gaia telescope spotted more than 6,000 sunlike stars, all of which appear to have migrated from the galaxy's center more ...

Scientists have uncovered evidence that our Sun may have traveled across the Milky Way as part of a massive migration of ...

The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments. If some of them are about ...

A rare star reveals how the Universe's first stars exploded, helping explain the Milky Way’s outer halo and its unusual chemistry.

Astronomers estimate that only about 500 stars remain visible in many major cities. However, the number immediately changes as we travel far enough from streetlights and highways.

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 ...

The Sun has been a powerful source of energy fueling the solar system for billions of years, but our host star may have had rough beginnings. A new study suggests the Sun migrated away from the center ...

The nights surrounding Aug. 29 are a great time to spot the stars of the famous 'Summer Triangle' asterism, bisected by the glowing band of the Milky Way, with an early-setting crescent moon providing ...

The summer Milky Way overhead and through the Summer Triangle stars in July, looking up through trees in Banff National Park at Herbert Lake. (Photo by: Alan Dyer/VW Pics/UIG via Getty Images) There ...

Add Yahoo as a preferred source to see more of our stories on Google. The oldest stars in the Milky Way provide information about the age of the universe. (CREDIT: Elena Tomasetti) The oldest stars in ...