The Hubble Telescope has spotted an unusual spiral galaxy – 76 million light-years away – that resembles an eye ...

A motorized mount with altitude and azimuth control is basic equipment for the serious observer, but adding a servo to control the focus of your telescope is one step beyond your average off-the ...

The most commonly-used and convenient arrangement for CCD imaging was the piggy-back telescope mode. In this configuration ... Alternate modes included mounting the camera at the focus of the 18-inch ...

Back when the stars in our universe were initially being formed, they created rotating disks of dust and gas known as ...

With a little familiarization and preparation your new telescope can open a world of exploration rather than end up in the back of a closet.

Now new observations from the James Webb Space telescope, published this week in The Astrophysical Journal, back up previous measurements that peg the speed of the expansion as faster than what ...

The telescope was launched way back in early 1990 ... and it snapped into crystal clear focus. The public celebrated with Hubble’s triumphant return to the clear vision that had been promised.

Each time, NASA brought the telescope back online. NASA teams have had their hands full with mission glitches. The Voyager 1 spacecraft, launched in 1977, is even older than Hubble. It encountered ...

Controllers back on Earth will now spend the coming months tuning the telescope to get it ready for science. Key tasks include switching on the observatory's four instruments, and also focusing ...