Two bright spots in your dark, pre-sunrise skies could very well be Venus and Jupiter, which are appearing very close together despite being millions of miles apart. Jupiter and Venus will appear at ...

Stellar size and class diversification originates from the initial mass of the molecular cloud from which stars form. The elemental composition of the molecular cloud, specifically the abundance of ...

Look up at the sky on a clear night, and you’ll see thousands of stars – about 6,000 or so. But that’s only a tiny fraction of all the stars out there. The rest are too far away for us to see them.