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://fortworthastro.com/
The Fort Worth Astronomical Society (FWAS) has been bringing amateur astronomy to North Texas since 1949, making it one of the oldest and largest such clubs in the country with over 200 active members. Visitors can find information on membership, club meetings, dark sky observing sites, star parties, and public outreach events conducted for local schools and organizations.
https://greensboroastronomyclub.org/
The Greensboro Astronomy Club is a North Carolina-based group dedicated to making astronomy accessible to the public through regular meetings, observing sessions, and educational events. The site highlights upcoming meetings at venues like the Greensboro Science Center, member achievements, and the club's advocacy for preserving astronomy programs at local universities.
https://tropicalweather.net/hurricane-and-travel-message-board
A community message board dedicated to hurricane tracking and tropical weather forecasting, covering Atlantic, Caribbean, Gulf of Mexico, and Pacific storm systems. Members discuss current tropical cyclones, share National Hurricane Center updates, and maintain seasonal archives dating back through multiple hurricane seasons.
https://exoplanet.eu/home
The Encyclopaedia of Exoplanetary Systems, maintained by a dedicated research team since 1995, catalogs over 8,000 confirmed extrasolar objects with filtering, sorting, and export tools for professional and amateur astronomers alike. Visitors can explore databases on binary star systems and circumstellar disks, generate online plots, view planetary systems in 3D and even virtual reality, and browse an exhaustive bibliography of exoplanet discoveries.
https://www.qsl.net/zl1vk
The Papakura Radio Club (ZL1VK), founded in 1960 and based in South Auckland, New Zealand, serves local amateur radio operators through club meetings, radio nets, technical projects, and emergency communications (AREC). The site includes club history, a newsletter, member pages, contest participation details, and hands-on projects covering APRS, microprocessors, antenna builds, and equipment modifications.
https://qsl.net/kc4gzx/kc4gzx/project.htm
KC4GZX is a sprawling amateur radio and electronics resource by a Georgia ham operator, featuring over 2100 DIY homebrew projects spanning antennas, amplifiers, transmitters, microcontrollers, lasers, and more. It also includes a Northeast Georgia ham directory, repeater listings across multiple southeastern states, and a hamfest schedule, making it an invaluable hub for regional and hobbyist radio enthusiasts.
https://livermoreark.org/
The Livermore Amateur Radio Klub (LARK) is a nonprofit club founded in 1959 serving the Tri-Valley area of California, affiliated with the ARRL and open to both licensed and unlicensed members. The site covers club membership, FCC licensing and testing sessions, net schedules, newsletters, and emergency communications support for local cycling events.
http://xmlog.com/
XMLog is a free amateur radio logbook application for Windows, created by Michael McAmis (W1ECT), offering flexible log searching, awards tracking for DXCC, WAZ, and WAS, LoTW integration, and callbook lookups. The site serves as the official download and support hub for the software, with documentation, beta releases, and a linked community group on groups.io.
https://smara.com/
The Schenectady Museum Amateur Radio Association (SMARA) operates the W2IR station at the Schenectady Museum of Innovation and Science, bringing hands-on radio experiences to the public. The site features club meeting schedules, Field Day event galleries, repeater information, contest calendars, and outreach programs like ARRL Kids Day.
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.