By that metric, the ESA’s Gaia mission is a resounding success. The spacecraft gave us a precise, 3D map of our Milky Way galaxy and has forced us to abandon old ideas and replace them with compelling ...

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

By reconstructing stellar orbits using real Milky Way stars with accurately determined parameters, the team quantified the galaxy's mass-weighted chemical abundances and age structure. This ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Image: ESA/Gaia/DPAC, Stefan Payne-Wardenaar The European Space Agency’s Gaia mission has completed one of its major charges: delivering a map of the Milky Way galaxy, comprised of trillions of ...

Peering deep into the dusty heart of our Milky Way galaxy using infrared vision, NASA’s Hubble Space Telescope reveals a rich tapestry of more than half a million stars. The Milky Way Galaxy ...

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

A close-up view of a prodigious number of stars in the Andromeda galaxy. Credit ... about the structure and evolution of our own Milky Way," NASA said. "That's because we are embedded inside ...

The most powerful telescope to be launched into space has made history by detecting a record number of new stars in a distant galaxy. NASA's James ... away from the Milky Way, according to a ...

NASA recently released ... survey of the Andromeda galaxy, or Messier 31. The Andromeda galaxy is approximately 2.5 million light-years away from the Milky Way. The observations recorded by ...

NASA recently released images of the Andromeda galaxy, an "enticing empire of stars" that can be seen with the naked eye if weather conditions are just right. About 100 years after astronomer Edwin ...