EarthSky
A daily guide to the night sky and natural world, with tonight's visible planets, meteor shower alerts, and clear explanations of sky phenomena.
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Meteor Shower Calendar
The American Meteor Society's calendar of annual meteor showers, listing which are active, their peak dates, and expecte…
In-The-Sky.org
Dominic Ford's astronomy guide with night-sky charts, a live virtual planetarium, and calendars of upcoming celestial ev…
Astronomy Now
The online home of the UK's biggest astronomy magazine, with news and features about the cosmos and practical stargazing…
Stellarium
A free open-source planetarium program that renders a realistic 3D sky, letting anyone simulate what's visible from thei…
Stellarium Web Online Star Map
A free browser-based planetarium that renders the night sky and lets you identify stars, planets, and constellations in…
NASA Night Sky Network
A NASA-supported directory of astronomy clubs and public star parties, plus downloadable activities for observing planet…
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