On July 6, 1938, an American astronomer named Seth Barnes Nicholson discovered Jupiter's moon Lysithea. Nicholson spotted ...

A hundred years ago, astronomer Edwin Hubble revealed a universe of galaxies that existed beyond ours. His influence in astronomy continues to this day.

Born June 29, 1868, in Chicago, George Ellery Hale revolutionized American astronomy by, among other things, championing the ...

Yet the southern skies remained out of reach. Legendary Carnegie astronomers like George Ellery Hale, the visionary behind Mount Wilson, and his successor, Walter Adams, periodically revived calls for ...

There are several other shots of Mt. Wilson in Record Unit 7005, Box 187, Folder 2. This photo is featured in the Smithsonian Annual Report for 1932, opposite page 141. Summary The Great Hooker ...

With the release of its first images this month, the Vera C. Rubin Observatory has begun a 10-year mission to help unravel ...

June 22 marks the 350th anniversary of the Royal Observatory Greenwich, the home of the historic Prime Meridian that is considered by many to be the birthplace of modern astronomy.

Students and faculty at BYU’s Department of Physics and Astronomy understand the value of the stars, and they dedicate their ...

Steward Observatory and the UA Department of Astronomy intend to celebrate all of those milestones as part of a rolling centennial celebration that begins with Saturday’s celebration in Oracle ...

The Rubin Observatory released its first batch of images on June 23, 2025 as it had scanned the night skies only a few days prior, finding over 2,000 asteroids in the process.

The Mt. Wilson Observatory opened in the early 1900s, and many researchers, including those from the Smithsonian, visited the observatory to study. The observatory is funded by the Carnegie ...

Back to Article List June 22, 1675: The Royal Observatory Greenwich is founded Today in the history of astronomy, a landmark institution in navigation, timekeeping, and astronomy is created.