We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

You live on Earth->Solar System->Milky Way Galaxy->Local Cluster->Virgo Cluster ... which should help provide a more precise map of the largest structures in the universe. One group, led by ...

This collage highlights a small selection of regions of the Milky Way imaged as part of the most ... [+] detailed infrared map ever of our ... brown dwarfs to the solar system.

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 ...