Take a tour of the Hydra I galaxy cluster. A galaxy in the region, NGC 3312, is "losing cold gas as it moves through the hot ...

The European Southern Observatory’s Very Large Telescope has detected "a scar imprinted on the surface" of white dwarf star ...

Learn how Mount Wilson Observatory was founded on Dec. 20, 1904, the people involved, and the decisions that shaped early modern astronomy ...

Animation of the findings by researchers who used time-delay cosmography to independently confirm that the universe’s current ...

U.S. Soldiers assigned to U.S. Army Southern European Task Force, Africa’s (SETAF-AF) 517th Geospatial Planning Cell ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Sunday marks the shortest day of the year in the Northern Hemisphere, signaling the start of astronomical winter.

Although this controversy might be specific to Chile, home to 40 percent of the world’s astronomy infrastructure, the project ...

Science X is a network of high quality websites with most complete and comprehensive daily coverage of the full sweep of ...

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...