It's a reminder of why preserving pristine night skies remains essential for both astronomy and human wonder.

The Southern African Large Telescope (SALT) celebrates 20 years of observing the sky. SALT is the largest optical telescope ...

A journey across 440 light-years to the young star HD 135344B surrounded by a dust ring featuring the tell-tale fingerprint ...

It is the colours of a sunset that inspire Joseph Anderson, an astronomer at the European Southern Observatory (ESO) in the high Atacama desert, in northern Chile. “They start off very blue and ...

NASA’s flagship orbiting mega-observatory, the James Webb Space Telescope, launched billions of dollars over budget and over a decade late. The space agency’s next prize, the Vera C. Rubin Observatory ...

For many decades, the USA has been at the forefront of astronomy, whether with ground-based telescopes or space-based observatories like Hubble and the JWST. Yet this is now at risk as US astronomers ...

Consider this: astronomers think of the Hubble Space Telescope as small. That might surprise you because after three decades' worth of images from Hubble with depth and detail most ground-based ...

When you look at the night sky, do you ever wonder what's going on out there? On a clear night with a dark sky, if moonlight doesn't wash it out, sometimes you can see the arc of the Milky Way. The ...

I spent part of last week in one of my favorite places, Flagstaff, Arizona, at Lowell Observatory. This storied institution is well known, and as I have written about previously, holds a unique place ...