From magnification to light-gathering, here’s how to make the decision between buying a telescope or a monocular for ...

The instrument is the Prime Focus Spectrograph, and it is one of the flagship instruments in the next era of the Subaru ...

ESO estimates the complex will leak as much light pollution as a city with a population of about 20,000. Parts of the ...

North Liberty’s best kept secret looks like a giant satellite dish nestled in a wooded area between North Liberty and ...

Astronomers have been battling threats to their clear skies on all fronts lately. One of the most notable battles, which we ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Since the middle of the month, four of the five brightest planets in the night sky have been visible after sunset and will ...

Venus, Saturn, Jupiter and Mars will be visible together all month after dark, NASA reports. The four planets have been ...

Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in ...

Illinois stargazers have the chance to see a "planet parade" this January, with four bright planets to be visible in a single line of sight. There also are three chances to see a supermoon later this ...