In 1992, Dr. Mae Jemison made history by spending eight days in Earth's orbit, making her the first black woman ever to visit space. Twenty years later, Dr. Jem

The story of Pluto and its largest moon, from discovery through the New Horizons flyby--Provided by publisher.

The past few years have seen an incredible explosion in our knowledge of the universe. Since its 2009 launch, the Kepler satellite has discovered more than two

The popular imagination has seen a resurgence of interest in space research. It is fueled by the discovery of over 1,000 exoplanets, promising discoveries on Ma