Observe the moon and planets up close with this reflector telescope from Celestron — now $246.49 at Amazon for Black Friday.

Are monoculars suitable for astronomy? The simple answer is yes, but with a few limitations that you should be aware of ...

See how telescopes capture the cosmos. ExtremeTech explains the science behind lenses and space exploration. Start exploring ...

The eQuinox 2 is our top-rated smart telescope and it's now available with a $500 saving which reduces the price from $2499 ...

The band members — John Lennon, Paul McCartney, George Harrison, and Pete Best (who would be replaced by Ringo Starr) — ...