The Pinwheel Galaxy lies 21 million light-years away in the Ursa Major constellation ... enveloped by dust and gas. The Antennae Galaxies are rich with black holes and neutron stars, driving rapid ...

The Ursa Major Moving Group is not an open cluster ... and it appears that nearly all galaxies have populations of globular clusters. Some of the largest galaxies known are the giant elliptical ...

NASA's Hubble Space Telescope captured image of two overlapping spiral galaxies, SDSS J115331 and LEDA 2073461 ... NGC 3921 is an interacting galaxy in the northern constellation of Ursa Major. This ...

On this day three years ago, we witnessed the nail-biting launch of the James Webb Space Telescope (JWST), the largest and ...

A Russian cargo ship has sunk in the Mediterranean Sea after an explosion onboard, Russia’s Foreign Ministry said on Dec. 24.

In a similar way, astrophysicists like us who study supermassive black holes expect to find binary systems – two supermassive black holes orbiting each other – at the hearts of some galaxies. Black ...

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 ...

Raytheon’s Tucson-based missile manufacturing operation this week announced a successful missile test for an advanced long-range solid rocket motor it is developing together with Colorado ...

The explosion occurred in Ursa Major’s engine rooms just after midday on Dec. 23, causing the ship to list between Spain and Algeria. The cause is not yet known. The news website La Verdad ...

A Russian vessel, Ursa Major, sank in the Mediterranean after an explosion, leaving two crew members missing. The ship was operated by Oboronlogistika, a Russian Defence Ministry-affiliated ...