Most galaxies are clumped together in groups or clusters. A neighboring galaxy is never far away. But this galaxy, known as NGC 6503, has found itself in a lonely position, at the edge of a strangely ...

Although the Universe may seem spacious most galaxies are clumped together in groups or clusters and a neighbour is never far away. But this galaxy, known as NGC 6503, has found itself in a lonely ...

This week’s first small-telescope target is the 21st entry in French comet-hunter Charles Messier’s famous list. M21 is an open cluster that shines at magnitude 5.9 and measures 13′ across. You’ll ...

Galaxy NGC 6503 is part of a large survey of more than 100 galaxies conducted by Chandra that looked for evidence of growing black holes. A new study uncovered evidence that stellar-mass black holes ...

Although the Universe may seem spacious most galaxies are clumped together in groups or clusters and a neighbor is never far away. But this galaxy, known as NGC 6503, has found itself in a lonely ...

Astronomers have captured a spectacular image of a 'lonely' galaxy stranded on the edge of an abyss. The galaxy is located next to a 150 million light year-wide patch of interstellar emptiness called ...

This week’s naked-eye object is open cluster M25 in Sagittarius. Observers also know this object as IC 4725. You’ll find it 4.4° east-northeast of magnitude 3.8 Mu (μ) Sagittarii. At magnitude 4.6, ...