When you look up at the night sky, it might seem like all stars are basically the same, as just tiny points of light scattered across the dark. However, in reality, stars come in an astonishing range ...

Oddly enough, binary stars born from the same parental cloud of collapsing gas and dust aren't always identical twins. It's possible they even possess different kinds of orbiting planets. But, why ...

Two new images from the Gemini Observatory released today (Monday June 5th 2006) at the American Astronomical Society meeting in Calgary, Canada, show a pair of beautiful nebulae that were created by ...

This illustration shows how Earth’s spin axis (blue) is tilted from perpendicular, causing it to precess and trace out a circle over about 26,000 years. The brightest star nearest the North Celestial ...