As spring advances, the night sky undergoes a quiet transformation. The familiar winter constellations fade toward the west, ...

Arcturus (at a magnitude of -0.05), one of the few stars mentioned by name in the Bible, is a giant, about 25 times the ...

The spiral galaxy known as Messier 81 (M81) has a rosy tint in this June 1, 2007, composite image that incorporates data from ...

Most of us can spot the group of stars known as the Plough or the Big Dipper. But there’s more to explore here, says Abigail ...

When astronomers first spotted Ursa Major III/UNIONS 1, it caused a little excitement. The group of stars at the edge of the ...