current time (world clock) and online and printable calendars for countries worldwide. find the best time for web meetings (meeting planner) or use the time and date converters. online services and apps available for iphone, ipad, and android.

astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the big bang, black holes, comets, constellations, eclipses, exoplanets, nebulae, meteors, quasars, observing, telescopes, nasa, hubble, space missions, stargazing, and more

get the latest space exploration, innovation and astronomy news. space.com celebrates humanity's ongoing expansion across the final frontier.

astronomy news and interactive guides to the night sky from in-the-sky.org

satellite predictions and other astronomical data customised for your location.

the essential guide to astronomy

sea and sky is your one-stop source for all things related to the oceans, aquariums, astronomy, and space exploration; features extensive information, news, images, games, and much more.