Just how big would a telescope need to be to actually see an alien world in detail? The James Webb Telescope just took a photo of a newly discovered exoplanet. Exciting stuff but the raw image just ...

The James Webb Space Telescope was built with a flaw, and because it's a million miles away, we can't repair it, but we can ...

Wide-field telescopes and eyepieces are best for viewing large nebulae. Dark skies and high altitudes improve visibility. Planning your observations, including target selection and timing, is crucial.

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...

Bloomer: It is best to start with a little naked-eye astronomy: see if you can pick just something out at first, and build ...

Our picks of the best telescopes for kids are easy to use, affordable, and a great way to introduce youngsters to the night sky ahead of Black Friday. When you purchase through links on our site, we ...

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. Turn your smartphone into a telescope with ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is hidden in our solar... If Planet Nine is out there, this telescope might ...