Perseus Operating Group ("Perseus") of Constellation Software Inc. ("Constellation") announced today that it has completed the purchase of Starkwood Media Group ("Starkwood"), a leading provider of ...

The Perseus Cluster is a massive galaxy cluster located in the constellation Perseus. It is one of the largest structures in ...

Astronomers have discovered a giant, 500-light-year-wide cavity between two star-forming regions in the constellations Perseus and Taurus. An ancient supernova could be the culprit.

CLEVELAND, Ohio — There’s still time to catch the Perseid meteor shower, with darker skies now offering better viewing than during its moonlit peak. Stargazers who head out between now and Aug. 23 ...