Cygnus, a constellation that lies in the Milky Way between Lyra and Pegasus. It contains the first-magnitude star Deneb. Deneb and four other stars within the constellation form the Northern Cross. Cygnus is named for a character in Greek mythology who was turned into a swan and placed in the heavens by the god Apollo.
A lunar land rush is the most likely thing in the world (or, rather, out of it). As private companies gaze spaceward with dollar signs in their eyes, it's time to start settling some questions about space ownership, use and management.
A dying star can explode with the force of a few octillion nuclear bombs and create any element in the universe. But why do stars go supernova?