The amateur astronomy revolution was incited by three technological innovations—the Dobsonian telescope, CCD light-sensing devices and the Internet. Dobsonians are reflecting telescopes ...

In July and August 2004, sprites were observed from Langmuir Laboratory, in the mountains of New Mexico, using a >1000 frames-per-second intensified CCD imager mounted to a Dobsonian reflecting ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...

The Hubble Space Telescope celebrates 35 years of groundbreaking discoveries, stunning imagery, and a lasting impact on astronomy.

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

"The instrument is, so to speak, the heart of the solar telescope, which is now finally beating at its final destination." ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

The Daniel K. Inouye Solar Telescope, the world's largest solar telescope, can see the sun in unprecedented detail. Here is ...

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.

Finally, I’m a sucker for “travel scopes,” telescopes that collapse neatly for easy air travel. That’s why the Astro Labs-USA 12.5″ f/4 Travel Dobsonian caught my eye. This scope is ...

There are a wide range of telescope types available to buy, and some can cost thousands of pounds. However, there are budget-priced alternatives – most are either refractor or reflector models. Keep ...