Astrophotographer Andrew McCarthy has millions of fans worldwide who love the stunning images he captures and creates of the ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Scientists have created the first-ever 3D maps of star-forming molecular clouds near the Milky Way's supermassive black hole, ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

Summer-a time when the urge to explore places familiar and new beckons to young and old alike. Although the sun sets late during the summer months, we inevitably find ourselves outside looking at ...