Photo: Andromeda nebula plate with Hubble's handwritten circle around the variable star he discovered In 1919 American astronomer Edwin Hubble began work at the Mount Wilson Observatory in California, ...

One of astronomy’s deepest mysteries is the “radio star,” an object in space that “shines” with radio waves instead of with .visible light. The first radio stars were discovered only about two years ...

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known ...

On New Year’s Day, 1925, attendees at an astronomical conference heard one of the most influential scientific presentations of all time. It proved the Andromeda Nebula is immensely distant from Earth, ...

One of the more interesting features of the late summer and early autumn Colorado sky is the faint band of light that now stretches from Sagittarius in the southwest to Perseus in the northeast and ...

How would you like to see the farthest thing visible to the naked eye? It’s possible, but you’ll need to bundle up and sit back on a lawn chair. Your neighbors may think you’ve cracked up sitting out ...

Edwin Powell Hubble was born on November 20, 1889, in Marshfield, Missouri. In high school he was known for his sports prowess. He led the University of Chicago basketball team to their first Big Ten ...

The article details various types of deep-sky objects observable by amateur astronomers, including double stars, variable stars, open and globular star clusters, emission, planetary, and reflection ...

This time of year, you have the best chance to see the farthest thing away that you can see with the unaided human eye in our Rochester night sky. Away from heavy city lighting, look in the ...

Here’s everything you need to know about astrophotography in December 2025: ...

Soon after sunset, as the sky gets dark, look toward the south and youll immediately notice the brilliant planet Jupiter, but there's another night sky target that also promises a great experience: ...