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

Galaxies are not islands in the cosmos. While globally the universe expands—driven by the mysterious "dark energy"—locally, galaxies cluster through gravitational interactions, forming the cosmic web ...

The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of ...

The European Space Agency’s Gaia mission has almost completely depleted the cold gas propellant that kept it spinning and ...

detailed infrared map ever of our galaxy. Here we see, from left to right and top to bottom: NGC 3576, NGC 6357, Messier 17, NGC 6188, Messier 22 and NGC 3603. “We have changed the view of our ...

We have also made the most detailed maps yet of gravitational waves across ... we need a detector the size of our galaxy. The high-frequency gravitational waves created by collisions between ...