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://barriearc.com/
The Barrie Amateur Radio Club (VE3GCB) is a Canadian ham radio club based in Barrie, Ontario, offering monthly meetings, beginner licensing courses, a builders group, and a variety of on-air activities including DMR and HF propagation. The site covers club repeater info, AUXCOMM emergency communications, 3D printing projects, and community events, making it a rich hub for local amateur radio operators of all experience levels.
https://sidewalkastronomers.us/
The Sidewalk Astronomers are a public service amateur astronomy association founded in the tradition of John Dobson, dedicated to bringing telescopes directly to the public in parks, street corners, and busy public spaces. The site features event schedules, telescope plans, newsletters, international projects, and resources for local chapters around the world.
http://animalinfo.org/
Animal Info is a comprehensive reference site dedicated to rare, threatened, and endangered mammals around the world, offering detailed species profiles covering biology, ecology, habitat, and conservation status. Visitors can browse by species group, search an alphabetical index of common and scientific names, or explore by country to discover biodiversity and population data for hundreds of at-risk animals.
https://w4ug.com/
The Virginia Beach Amateur Radio Club (VBARC) is the home of callsign W4UG, an ARRL Special Service club serving the Virginia Beach area with monthly meetings, license testing sessions, and public service events. Visitors can find club bylaws, membership details, local repeater information, and upcoming contests and QRP Saturdays.
https://particleadventure.org/
The Particle Adventure is an award-winning interactive guide to particle physics from the Particle Data Group at Lawrence Berkeley National Laboratory, covering quarks, neutrinos, the Higgs boson, dark matter, antimatter, and particle accelerators. Available in over a dozen languages and designed for students and curious minds alike, it offers classroom activities, particle history charts, and deep dives into the fundamental building blocks of the universe.
http://panther-observatory.com/
Johannes Schedler's Panther Observatory showcases stunning astrophotography covering the moon, sun, planets, comets, deep sky objects, and constellations, including imaging results from a semi-professional remote observatory at CTIO in Chile. The site also invites visitors to stay at a guest house in Altaussee, Austria, offering dark skies and alpine observing facilities.
https://qsl.net/kf4awn
Hosted on QSL.net, this site belongs to an amateur radio club (callsign KF4AWN) and includes member pages, club history, net operator information, and weekly breakfast meeting reports from 2010. The extensive member roster with individual callsign pages and multiple breakfast meeting logs suggest an active local ham radio club with a strong community presence.
https://sagan.diletante.net/
A fanlisting dedicated to the beloved astronomer and science communicator Carl Sagan, gathering fans from around the world who admire his work and legacy. Built and maintained by a fan known as C.:., the site includes information about Sagan, membership listings, and links to related resources.
https://asgh.org/legacy/links.htm
The Astronomical Society of Greenwich Hills (ASGH) maintains this curated links page connecting amateur astronomers to periodicals, regional astronomy clubs, observatories, equipment suppliers, and NASA educational resources. A thorough reference hub for stargazers in Connecticut and New England, it lists dozens of affiliated clubs and organizations alongside tools for both hobbyists and kids.
http://satobs.org/noss.html
A detailed reference page on the Naval Ocean Surveillance System (NOSS) satellite formations, covering every generation from the declassified Program Poppy through modern double-satellite pairs and China's NOSS-like triplets. Hobbyist satellite observers will find orbital element tables, magnitude data, launch histories, and tracking information compiled by the Visual Satellite Observer community.