An study has found evidence suggesting that Ursa Major II is actually a compact star cluster containing a black hole core.

Viewing with the aid of 10x50 binoculars will bring the light cast by a stellar cluster into sharper focus, or even allow you ...

This week in Skywatch, I want to take you to the low southern skies for one of the best constellations of summer, Sagittarius ...

The bright band of the Milky Way and the faint glow of "zodiacal light" meet above the mountains of Chile's Atacama Desert in ...

NGC 6910 is a bright open cluster in Cygnus the Swan, visible overnight as the Summer Triangle flies high around local ...

This week in Starwatch, I want to take you to the low southern skies for one of the best constellations of summer — Sagittarius the Archer, one of the zodiac constellations. Not only is ...

The simplest explanation — that Punctum is an extreme example of something familiar — hasn’t been ruled out. A magnetar in an ...

Ursa Major III, the faintest object in our galaxy, orbits the Milky Way at a distance of more than 30,000 light years. Until ...

Only a fraction of the size of the Milky Way, these galaxies have thus far been too faint for most telescopes to spot.

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole Sagittarius A* has been sonified by SYSTEM Sounds. Credit: ...

An impossibly bright galaxy is forcing scientists to rewrite the rules of the Big Bang’s aftermath. Here’s what you’ll learn ...