After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

Europe's space agency, ESA, has retired the Gaia satellite after more than nine years of service. Launched in 2013, Gaia ...

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

Europe's star-mapping Gaia space observatory has entered its retirement orbit, after gathering valuable cosmic data for more ...

Astronomers claim that their new findings showcase that the hierarchical theory of galaxy formation aligns even for small ...

Plus: A solar eclipse and an occultation of the Pleiades as our satellite skims through several constellations in the sky ...

Herbig-Haro 49/50, aka the 'Cosmic Tornado', as seen by Spitzer in January 2006. The source of the 'tornado', a Class 1 ...

Thursday, March 20 marked the beginning of spring with the vernal equinox, but what does this really mean? To understand, let ...

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

Europe's Gaia space telescope was powered down and sent into "retirement" on Thursday after a decade revealing the secrets of ...

The final messages sent to Gaia will continue to be carried out into space as the observatory sleeps, and as data from it ...

Stargazing between March and May offers breathtaking views of celestial objects like galaxies, planets, and constellations.