A Russian cargo vessel, the Ursa Major, exploded and sank in the Mediterranean Sea off the coast of Spain on December 23, ...

In fact, Mizar itself is a quadruple star system consisting of two pairs of binary stars ... of 1.86 it is the third-brightest star in Ursa Major. It lies approximately 100 light-years from ...

Ursa Major Technologies Inc. and Raytheon’s Tucson, Arizona-based rocket unit have completed a successful missile flight test for the U.S. Army, using the companies’ advanced long-range solid rocket ...