The popular belief that European astronomy from the late Middle Ages and early Modern Age was more advanced than that of ...

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 ...

In May, a new achievement in the field of quantum science was published in the journal Science, with Chinese scientists ...

Mount Spurr, an 11,000-foot-tall volcano in Alaska has a 50-50 chance of erupting in the near future, according to the USGS, ...

Scientists across the world, including some in Arizona, are keeping an eye on an asteroid that has a very slim chance of ...

The Vatican's Arizona location dates back to 1980, when the Vatican partnered with the University of Arizona to study the ...

Mount Spurr, which sits about 75 miles west of Anchorage, has seen “ volcanic unrest ” for the last 10 months, including an ...

Kilauea volcano is shooting lava into the air once again in Hawaii. Kilauea on the Big Island of Hawaii is one of the world’s ...

As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.

As usual, the mysteries of the cosmos will be on display at this year’s fest, beginning with opening-night film "Small Town ...