We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

After more than a decade of charting the stars with extraordinary precision, the Gaia spacecraft has completed its mission.

Astronomers have uncovered a spiral galaxy nearly a billion light-years away that hosts a supermassive black hole launching ...

ESA shuts down Gaia spacecraft after more than a decade, leaving behind the most detailed legacy that will guide future ...

The last commands have been sent to the ESA's Gaia satellite and, after a dozen years scanning the galaxy, the spacecraft is ...

The Orion Nebula — where young stars are being actively born — serves as a natural laboratory for uncovering the secrets ...

Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...

Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun 's closest space neighbor, Proxima ...

After over a decade of stellar service, ESA’s Gaia spacecraft has been retired – but its legacy is just beginning. From ...