Getting your first telescope should feel exciting, not frustrating. If I avoid a few common beginner mistakes, I can turn ...

The simple mistakes every stargazing newbie makes — avoid these traps and you'll get the best out of your telescope from ...

INDIANA, USA — Look up in mid-January just after sunset and you'll see a six-planet alignment: Four with your naked eye and two with a telescope. It's a six-planet parade! Tap HERE to track clouds for ...

Optical aberration theory remains a fundamental component in the design and operation of space telescopes. With increasingly ambitious astronomical missions and the demand for high-resolution imaging, ...