'Stonehenge Decoded' aired last Sunday night on the History Channel and the British archaeologist seems to think he has figured out why Stonehenge was built.  It was built as an ancient cemetery where twice a year the ancient people gathered to proceed in rituals o ... Read More »

A large galaxy could be lurking unseen in our own cosmic backyard, a pair of researchers says. Such a massive object could explain a mysterious gravitational pull on the Milky Way.

Astronomers know both the direction and speed of the Milky Way's motion based on measurements of the cosmic microwave background – radiation that filled all space shortly af ... Read More »