Science & Nature
1439 sites
Subcategories:
- Astronomy & Space (396)
- Chemistry (8)
- Earth Sciences (26)
- Biology (79)
- Physics (30)
- Mathematics (59)
- Weather & Climate (104)
- Amateur Radio (682)
- Electronics (47)
https://www.qsl.net/w5wx
A QSL.net-hosted personal page for amateur radio operator W5WX, accessible via the QSL.net directory structure. The site appears to be a file index for a ham radio enthusiast's web presence on one of the most popular amateur radio hosting services.
https://pages.astro.umd.edu/~mcmiller/nstar.html
Professor M. Coleman Miller of the University of Maryland shares an in-depth educational resource on neutron stars, covering topics from formation and internal structure to pulsars, X-ray bursters, and gamma-ray bursts. The page blends academic rigor with accessible writing, including links to pedagogical reviews, Q&A sections, and visual aids that make complex astrophysics approachable.
https://www.qsl.net/w6ka
The W6KA Pasadena Radio Club is the official web presence for a California-based amateur radio club serving the Pasadena and Altadena area. The page serves as a gateway to the club's main sites and connects visitors to the Amateur Radio World Ring webring network.
https://sprott.physics.wisc.edu/pickover/home.htm
The personal homepage of prolific author and inventor Clifford A. Pickover, featuring links to his 50+ books spanning fractals, chaos, black holes, the fourth dimension, and the mathematics of reality. With 800 patents, a sprawling collection of puzzles, art, and cosmic questions, this site is a portal into the mind of one of science's most imaginative popularizers.
http://stargazing.net/david/constel/skymapindex.html
David Haworth's stargazing site offers a comprehensive index of printable sky maps organized by month, time, and observing location, with five detail levels ranging from basic star fields to full constellation boundaries. Each map links to more detailed constellation charts, making this a practical reference for amateur astronomers heading out for a night of naked-eye or telescopic observing.
http://acaoh.org/index.php
The Astronomy Club of Akron (ACA) is a 501(c)3 non-profit serving Summit County, Ohio, with star parties, solar observing events, monthly meetings featuring guest speakers, and access to a 16-inch observatory telescope. The site hosts event schedules, member astrophotos, newsletters, membership info, and links to live solar and lunar data resources.
https://empslocal.ex.ac.uk/people/staff/mrwatkin
Matthew R. Watkins is a mathematician and honorary researcher at Exeter University whose site centers on his celebrated 'Secrets of Creation' trilogy, making analytic number theory and prime numbers accessible to general audiences. The site also features a number theory and physics archive, prime number resources for beginners, and links to his eclectic range of interests including parapsychology, the I Ching, and psychogeography.
https://www.qsl.net/mid-islandarc
The Mid-Island Amateur Radio Club (MIARC) serves ham radio enthusiasts on Long Island, New York, with club info covering repeaters, membership applications, and Field Day photos. A community hub for local hams, the site also features a bulletin board, swap shop, and links to related resources including VE exam info and ARRL connections.
http://setileague.org/
The SETI League is a nonprofit membership organization dedicated to the privatized electromagnetic search for extraterrestrial intelligence, coordinating amateur radio astronomers worldwide in the hunt for signals from other civilizations. The site offers extensive technical resources covering antennas, receivers, and software, alongside publications, press releases, and the popular "Ask Dr. SETI" column.
https://alpo-astronomy.org/
The Association of Lunar and Planetary Observers (ALPO) is a long-running scientific organization connecting amateur and professional astronomers who study the Solar System, with dedicated sections covering everything from Mercury and Venus to comets, meteors, and eclipses. Visitors can access the latest issue of their peer-reviewed journal 'The Strolling Astronomer,' join observing sections, and tap into decades of planetary observation data and community research.