A thin ribbon of stars around the ultra-diffuse galaxy UGC 9050-Dw1 may be the first globular-cluster stellar stream identified beyond the Milky Way. Its shape allowed astronomers to reconstruct the ...

Hubble is built to study individual objects or relatively small regions of the sky in great detail. Roman, meanwhile, will ...

In the image above, a faint trail of stars can be seen stretching across the galaxy. These structures, known as globular cluster stellar streams, are coherent stellar structures that retain a record ...

A pair of divers unintentionally discovered a Roman-era shipwreck on the seafloor off the western coast of Sicily. According to the Italian Ministry of Culture, the site has been undisturbed for more ...

NASA is about to launch a space observatory that could help settle some of the biggest mysteries in modern astronomy. The ...

In a first, astronomers say they’ve detected a long ribbon of stars outside the Milky Way. The globular cluster stellar ...

DESI Legacy Imaging Surveys mapped 4 billion celestial objects across 75% of the sky - and anyone can explore all 5.6 trillion pixels free in a browser.

The first globular cluster stellar stream found beyond the Milky Way could provide a new way to map dark matter in distant ...

For centuries a Devon farmer’s field gave up nothing more remarkable than crops, its soil hiding a story that lay just below ...

Look at a map of Britain or northern Italy and certain roads stand out ...

Astronomers have discovered the first globular cluster stellar stream outside the Milky Way, offering a new way to study dark matter in distant galaxies.

In addition to marking the 250 anniversary of the founding of the nation, 2026 also marks the 500th anniversary of the ...