Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

Sculptor—officially labeled NGC 253—is considered a starburst galaxy, one heavy with stellar action. It's located 11 million light-years away in the Southern Hemisphere's constellation Sculptor, and ...

World's largest digital camera observes cosmos, capturing detailed images of galaxies, asteroids, and stars changing ...

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in Chile. The Rubin Observatory released its first images last week, and ...

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

July is an excellent month for astrophotographers. The clear summer skies and warm nights help, but what will excite night sky-watchers are its three meteor showers, striking lunar conjunctions and ...

The “main stage” of Vivid Sydney actually comprises the city’s most iconic landmarks – the Sydney Opera House, the riverside ...

L3Harris in Rochester played a pivotal role in building the Vera C. Rubin Observatory’s massive secondary mirror.