"This is an important step in our endeavor to understand the formation of the Milky Way and other galaxies." Scientists are building a better account of the lives of adolescent stars, starting ...

"J0524-0336 contains 100,000 times more lithium than the sun does at its current age. This amount challenges the prevailing models of how stars evolve." Astronomers have discovered a new star that ...

Precise knowledge of stellar motions will not only improve scientists' understanding of galactic history and evolution, it could also offer clues to the nature and distribution of mysterious ...