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.

This week sky-watchers can make peace with the god of war by joining Mars for a spot of tea, and watch the king of all planets join Luna. After nightfall on Monday, November 10, check out the red ...

WASHINGTON — Researchers have designed a new compact camera that acquires wide-angle images of high-quality using an array of metalenses — flat nanopatterned surfaces used to manipulate light. By ...