The Orion Nebula Cluster is just 2.5 million years old. It's full of young stars and gas, actively forming new suns. Pleiades ...

Look east around 4 a.m. local time, just before dawn, to see the slender form of the crescent moon climb above the horizon. Jupiter, appearing as a bright "star" will sit about 5 degrees to the right ...

Astronomers have spotted a hidden companion star. It orbits Betelgeuse closely, possibly explaining its six-year dimming ...