John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...

Celebrate International Dark Sky Week by hosting a backyard stargazing party. Experts suggest optimal timing with clear skies and minimal moisture for ...

Look west in early May to find Mars near the Beehive Cluster (M44) in the constellation Cancer. On May 1, use binoculars to ...

Before you begin making silhouettes, consider materials. Old-school fashion has silk and leather — but Cosmic Couture is a ...