At the core of the galaxy Messier 87 (M87), a cosmic behemoth is challenging preconceptions. Renowned for being the first ...

Leo sees action as both Mars and Comet Schwassmann-Wachmann 1 move through; plus, spot galaxies and noctilucent clouds in the sky this week.

With Danny Boyle's recent comments about his never-made 'Sunshine' trilogy, we're revisiting that 2007 film as well as a ...

For nearly three decades he has created mesmerizing planetarium shows at the American Museum of Natural History. But other ...