In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

It is clear that human beings, throughout history, have always had a constant curiosity to discover everything that happens ...

From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...

In a significant astronomical discovery, researchers found three ultra-faint dwarf galaxies, offering new insights into the ...

Astronomers have investigated three ultra-faint dwarf galaxies that are located in a region of space far away from the ...

The Martz Observatory will host a screening with speaker Margaret Verrico at 7:30 p.m. Wednesday, Feb. 19. Verrico’s talk will be shown on the big screen at the Martz-Kohl Observatory and is available ...

Filmmaker and CEO Tosca Musk is pouring her heart into Passionflix, a steamy streaming platform built on the unifying power ...

Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

4K Space Travel Stars Stock Video Outer Space, Star - Space, Galaxy, Sky, Metaverse milky way stock videos & royalty-free footage A spiral galaxy is seen in the background as stars fly past the viewer ...

The night sky show for February is not finished. Starting on Friday, Feb. 14 – Sunday, Feb. 16 Venus will outshine everything ...

The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...