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://feis-crs.org/feis
The Fire Effects Information System (FEIS) is a U.S. Forest Service database providing detailed scientific syntheses on fire ecology, fire regimes, and the effects of fire on plant and animal species across the United States. Visitors can explore species profiles, vegetation crosswalks, tree distribution maps, and research publications covering ecosystems from ponderosa pine forests to Sonoran desert scrub communities.
http://www.hawastsoc.org/
The Hawaiian Astronomical Society, founded in 1949, is a nonprofit dedicated to promoting amateur astronomy across Hawaii through monthly public star parties, school outreach, and members-only dark sky observing sessions. The site features a deep sky atlas, an astronomy newsletter, event schedules, and live solar imagery from SDO, making it a rich hub for stargazers in the islands.
http://panoptesv.com/SciFi/ColorsOfAlienWorlds/AlienSkies.php
A scientifically detailed simulation gallery showing what alien skies would look like on Earth-like worlds orbiting different types of stars, with varying atmospheric pressures and compositions. Each entry features rendered color visualizations depicting sky color at different sun angles, making this a visually rich and technically rigorous reference for astronomy and worldbuilding enthusiasts alike.
https://bangladeshtornadoes.org/mytornadochases/mychases.html
Jonathan D. Finch documents his storm chasing expeditions from 1993 to the present, with detailed accounts of each chase including target areas, driving routes, and close encounters with tornadoes across the Great Plains. A fascinating firsthand record spanning decades of severe weather pursuit, complete with photos captured from video footage and narrative logs of near-misses with significant tornadoes.
http://curiousskywatcher.blogspot.com/
The Curious Skywatcher is a dedicated astronomy blog offering monthly celestial highlights, including planet positions, meteor showers, and sky-watching tips for amateur stargazers. Posts guide readers on locating stars and planets with the naked eye, making it a friendly and practical resource for anyone wanting to explore the night sky.
https://admin.qsl.net/
QSL.net is a long-running free web hosting and email forwarding service built specifically for amateur radio operators worldwide, founded in 1996 by Alan Waller K3TKJ. Visitors can sign up for ham radio websites and email addresses, join mailing lists, access DXer resources, and connect with other operators through real-time DX spotting and chat services.
https://www.qsl.net/k9ona
The Six Meter Club of Chicago (SMCC) is a Chicago-area amateur radio club promoting activity across HF, VHF, and UHF bands, with a focus on six-meter operations, emergency communications, and community radio services. The site lists 2020 meeting dates, net schedules including a Tuesday ragchew net on 50.130 MHz USB, a Two Meter FM Info Net, and a Thursday Digital SSTV net using EasyPal software.
https://nasawatch.com/
NASA Watch is a long-running independent watchdog site run by Keith Cowing, covering NASA news, policy, personnel changes, and space exploration with a critical insider perspective. With archives stretching back to 1993, it tracks everything from Artemis and ISS developments to congressional oversight and agency politics.
https://jars.net/
The Johnston Amateur Radio Society (JARS) is a North Carolina-based ham radio club founded in 1975, serving members in the Johnston County area with a dedicated repeater on the AK4H frequency at 147.270 MHz. The site offers membership info, event listings, newsletters, a 'How to Become a HAM' guide, VE team details, and club history spanning over 40 years of amateur radio fellowship.
http://newsuperantenna.com/
Super Antenna Systems Corporation manufactures portable HF antennas designed for ham radio operators, emergency communications, and HF SSB use across all bands from 80 meters through VHF. Their flagship MP1 series antennas collapse into compact go-bag packages, making them popular for portable, mobile, backpack, and EmComm deployments worldwide.