Astronomy Picture of the Day [apod.nasa.gov]
A different image or photograph of our universe every day, with explanations by professional astronomers.
The Observatory
Science, learning, niche research, educational
Science, learning, niche research, educational
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Mental Landscape [mentallandscape.com]
The personal website of Don P. Mitchell with resources on Soviet space exploration, Nikola Tesla, computer graphics, and science.
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Science Hobbyist [amasci.com]
Articles, essays, and resources for amateur scientists and electronics hobbyists covering electricity, Tesla coils, and weird science.
Stellafane – Telescope Making Guide [stellafane.org]
A comprehensive guide to making telescopes from the Springfield Telescope Makers, the birthplace of amateur telescope making.
Stellarium [stellarium-web.org]
Explore the night sky in real time — a planetarium for your browser.