Stars
Pictures of stars, including starscapes, star trails, bright stars in the sky, photos of constellations and images of the starry band of the Millky Way stretching across the night sky.
Gallery | Cassiopeia
A guide to the constellation Cassiopeia, and how to see some of its best stars.
Gallery | The Pleiades
A guide to M45, also known as the Pleiades, and images of the famous open star cluster.
Gallery | Kemble's Cascade
Advice on how to observe Kemble's Cascade, and images of the asterism.
Gallery | Open star clusters
A guide to open star clusters and images captured by astrophotographers.
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How many stars can a person see in the night sky?
When we look up at the night sky, how many stars can we see, and what magnitude can the human eye see unaided?
Astronomers have mapped the regions where stars will be born in the Whirlpool Galaxy
Astronomers have mapped the gas that will become stars in the Whirlpool Galaxy, the first such map created for a galaxy beyond the Milky Way.
What is the age of stars we see in the night sky, and how do astronomers know?
How old are stars, and how do astronomers work this out?
VY Canis Majoris, one of the biggest stars in the Universe, is so huge you could fit 3 billion Suns inside it
Just how big is VY Canis Majoris and how does its size compare to that of the Sun and planet Earth?
From a stellar diamond to a squashed mammoth and one as old as the Universe, these are 8 of the weirdest stars we know of
Among the trillion trillion stars in the Universe, there are some real oddballs. Here are some of the weirdest stars astronomers have uncovered in the depths of space.
Star clusters
Facts and images about the gravitationally-bound collections of stars known as star clusters, including globular clusters and open clusters.
Gallery | Messier 35 and NGC 2158
A guide to M35 and NGC 2158, two open star clusters that are much further away from each other than they might appear.
Gallery | Messier 39
Facts about and images of M39, the open star cluster in Cygnus.
Gallery | Messier 37
Facts about and images of the open cluster M37 in Auriga.