Scientists have spotted a defiant galaxy. Located nearly 1 billion light-years from Earth, the galaxy 2MASX J23453268?0449256 ...

Euclid has opened a new window to the cosmos with its first deep sky data release, revealing millions of galaxies, ...

The once-in-a-lifetime explosion of T Coronae Borealis, also known as the "Blaze Star," is still pending -- but the event will be occurring soon, according to astronomers. Stargazers watched the skies ...

At the start of March, Mercury and Venus lay in the west after sunset. Now both have passed between us and the Sun into the ...

The CMZ is a region of clouds rich in dust and molecular gas that roils around the galactic nucleus. It measures up to 2,000 ...

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

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

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

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

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

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

Have you ever seen the Milky Way? What about the Northern Lights? A growing number of people have never seen these features because the skies over them are simply not dark enough. A 2016 study found ...