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://kb6nu.com/
Dan Romanchik (KB6NU) runs this long-running amateur radio blog covering news, equipment reviews, licensing study guides, and community happenings in the ham radio world. Notable features include No Nonsense study guides for Technician, General, and Extra class licenses, along with commentary on everything from MFJ equipment to repeater guides.
https://k-state.edu/w0qqq?utm_source=ksuarc&utm_medium=redirect&utm_campaign=pulled-down
The Kansas State University Amateur Radio Club (WØQQQ) has served K-State and the Manhattan, Kansas community for over a century, offering licensing workshops, emergency weather services, and participation in major ARRL contests. Membership is open to students, faculty, staff, and the general public, with no prior license required, making it a welcoming entry point for new ham radio operators.
https://observers.org/
The SF Bay Area Astronomy Connection (TAC) is an informal network for amateur astronomers across the greater San Francisco Bay Area, connecting observers without the formality of dues, officers, or bylaws. The site features an extensive list of observing sites throughout the region, curated observing lists, equipment guides, and resources for both beginners and seasoned stargazers.
https://chicagofmclub.org/
The Chicago FM Club (CFMC) is a Chicagoland amateur radio club established in 1965 with over 150 members, operating five repeaters and hosting nightly nets, monthly fox hunts, and the annual Radio Expo ham fest. The site covers club membership, FCC exam testing, public service events, and social gatherings for hams in the greater Chicago area.
https://m0yng.uk/
Christopher M0YNG is a radio amateur based in Gloucestershire whose personal site covers amateur radio, solar and battery tracking, self-hosted tech, and small computing projects like the Penkesu Tiny Computer. The site is notably available via Gopher, Gemini, and Tor in addition to HTTP, making it a fascinating example of smolnet philosophy in practice.
https://departments.bucknell.edu/biology/resources/msw3
Hosted at Bucknell University, this online database presents the complete third edition of 'Mammal Species of the World' (MSW3), edited by Don E. Wilson and DeeAnn M. Reeder, covering taxonomic and geographic reference data for all recognized mammal species. Researchers and enthusiasts can browse the full hierarchy from Order down to Subspecies, search by scientific or common name, and even export the entire taxonomy as a CSV file.
https://www.qsl.net/w4frc
The Ft. McCoy Amateur Radio Club (W4FRC) is a friendly ham radio club based in the Ocala National Forest area of Marion County, Florida, founded in October 1997. The site shares club meeting info, VE testing schedules, member photos, and an open invitation for newcomers to discover the hobby of amateur radio.
http://arc.iki.rssi.ru/eng/index.htm
The Space Research Institute (IKI) of the Russian Academy of Sciences is Russia's principal organization for robotic space research, designing scientific instruments and leading missions such as Spektr-RG, ExoMars, and the Luna lunar program. Founded in 1965, this archived English-language site offers institutional history, department structure, mission summaries, and links to international conferences spanning decades of Soviet and Russian space science.
http://mreclipse.com/MrEclipse.html
Fred Espenak, known online as MrEclipse, has built one of the most comprehensive eclipse resources on the web, covering solar and lunar eclipses with decades of photographs spanning from 1970 to the present. Visitors will find beginner guides, safety tips, photography tutorials, eclipse preview calendars, and an extensive archive of stunning eclipse imagery from expeditions around the world.
http://pretoria-astronomy.co.za/
The Pretoria Centre of the Astronomical Society of Southern Africa serves both amateur and professional astronomers interested in the unique southern hemisphere skies, offering membership, newsletters, observing events, and deep-sky imaging resources. Visitors can find comet reports, lunar eclipse photography, nebula images, telescope-making tips, and guides to the ASSA 100 deep-sky objects list.