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)
http://www.baltimoremd.com/qrpwebring
Created by Thom LaCosta (K3HRN), this is the hub page for the QRP Amateur Radio Web Ring, connecting low-power ham radio enthusiast sites across the web. Visitors can join the ring, edit their site entry, retrieve replacement HTML fragments, and browse the full ring layout.
http://pasnola.org/
The Pontchartrain Astronomy Society, established in 1959, is a non-professional astronomy club serving Southeast Louisiana with events, observing sites, forums, and newsletters. Members gather to discuss celestial objects, attend star parties, and access resources like Clear Sky Charts and ISS sighting schedules for the New Orleans area.
http://talkorigins.org/
The TalkOrigins Archive is a comprehensive collection of articles, essays, and FAQs dedicated to presenting mainstream scientific responses to creationism, intelligent design, and evolution denial. Drawing from the long-running talk.origins Usenet newsgroup, it covers topics ranging from evolutionary biology and geology to abiogenesis, cosmology, and the age of the Earth.
https://qsl.net/dx100dx
DX100DX is the official site for a special event amateur radio station operated from Batangas City, Philippines, celebrating the 100th anniversary of Philippine independence from Spain during the 1998 CQ Worldwide DX Contest. The joint venture between the Mabuhay DX Group, Philippine DX Foundation, and the Philippine Amateur Radio League includes contest logs, DXpedition photos, QSL card info, and an online WebLogBook.
https://astronomyedinburgh.org/
The Astronomical Society of Edinburgh has been sharing a love of astronomy since 1924, hosting hybrid in-person and online meetings, observing group sessions, and public talks several times a month. Visitors can explore sky diaries, knowledge articles, beginner observing lists, meteor camera data, and a Messier/Caldwell project archive alongside a live interactive solar system map.
https://costajulio.tripod.com//cv/astronomy.htm
Julio Costa shares his lifelong passion for amateur stargazing, recounting memorable early encounters with telescopes and the purchase of a Celestron 8-inch Schmidt-Cassegrain reflector. The page includes personal photos of the moon and Jupiter with its moons, accompanied by warm, humorous writing about the joys and quirks of backyard astronomy.
http://drydredgers.org/
The Cincinnati Dry Dredgers claim the title of the oldest continuously-operating fossil club in North America, bringing together amateur geologists and fossil collectors in the Cincinnati area since their founding. The site features extensive fossil identification guides for trilobites, crinoids, echinoderms, brachiopods, and more, plus field trip photos, member activities, and resources for finding Ordovician-era fossils in the region.
https://www.radioing.com/
Radioing.com, created by Charlie Bautsch (W5AM), is a sprawling amateur radio network covering everything from licensing guides and RF calculators to virtual museums of classic Collins Radio equipment and vintage transceivers. With over 4,000 ham radio links, callsign search tools, Morse code resources, classified ads, and a remote station, this site is a comprehensive hub for both newcomers and seasoned hams.
http://mistisoftware.com/astronomy/index.htm
Misti Mountain Observatory is an amateur astronomy site featuring stunning astrophotography captured with a 32-inch Ritchey-Chretien telescope in Arizona, covering galaxies, nebulae, star clusters, and solar system objects. The site includes detailed equipment notes, film and CCD imaging data, conference listings, and even a specialized app that lets blind and visually impaired users explore astronomical images through musical tones.