The original telescope that was built with this observatory was the third largest in the world at the time when it was built. As time went on, the light pollution levels increased, particularly in ...

The telescope's original October 1986 launch was scrapped after the loss of the space shuttle Challenger. When the telescope finally became operational in 1990, it began to return unprecedented ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

The original cornerstone laid by Adams was set into the corner of the new building, where it is today. A second, larger telescope with a 16-inch Alvan Clark and Son refractor, was bought in 1904 ...

We've rounded up the best telescope deals on the market, with a deal to suit everyone from beginners to serious skywatchers. Now is a great time to invest in a new telescope with the rare seven ...

They delved into the telescope's guts during long space walks and replaced parts that the original designers never thought they'd need to. Installation of a new power-control unit forced an ...

Deanne Fisher receives funding from the Australian Research Council. NASA will soon launch a new telescope which it says will create the “most colourful” map of the cosmos ever made.

The $488 million observatory is set to launch at the end of this month on a two-year mission to map the entire celestial sky.