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://australiasevereweather.com/
Maintained by storm chasers Michael Bath and Jimmy Deguara, Australia Severe Weather is a comprehensive archive of severe weather photography, storm chasing reports, tornado and waterspout pictures, and tropical cyclone tracking maps covering Australian weather events. With over 35,000 photographs, timelapse webcam videos, flood history records, and storm chasing news, it serves as a serious reference for anyone fascinated by extreme Australian weather.
https://fediverse.radio/
Fediverse.Radio is a hub curated by Christopher M0YNG that connects amateur radio operators and communities across the decentralized Fediverse social network. It lists Mastodon servers, XMPP chat services, and other tools specifically tailored for ham radio enthusiasts and shortwave listeners worldwide.
http://lundybirds.blogspot.com/
The Lundy Bird Observatory Sightings Archive is a long-running blog documenting bird and wildlife observations from Lundy Island, now preserved as a historical archive after migrating to a new site in late 2023. Years of detailed sighting reports, species updates, and passage records make it a rich resource for birdwatchers and naturalists interested in this unique Atlantic island.
https://flemingastrophotography.com/
Neil Fleming's astrophotography showcase specializes in deep-sky imaging using the Meade DSI CCD camera, capturing galaxies, nebulae, and star clusters. The site highlights work done with high-end equipment including an NP-127 refractor and NJP mount, making it a compelling destination for amateur astronomers interested in CCD imaging techniques.
http://www1.phys.vt.edu/~jhs/astroclb/index2.html
The Astronomy Club of Virginia Tech hosts this homepage for students and enthusiasts interested in stargazing, telescope use, and observing events at the Prices Fork Observatory. Visitors will find meeting schedules, officer contacts, club photos, and a curated set of observing tools including Messier maps and monthly sky charts.
http://dfma.org/
The Durham FM Association (DFMA) is an amateur radio club based in Durham, North Carolina, serving members across the Research Triangle Area with repeaters, monthly meetings, and public service activities. The site covers club events, repeater information, newsletters, ARES/AUXCOMM support, and Field Day activities, making it a central hub for local ham radio enthusiasts.
https://f4iha.fr/
The blog of Olivier (F4IHA), a French amateur radio enthusiast who documents his homebrew radio projects including low-power QRPP transmitters, VFOs, antenna tuners, and fox-hunting modules built with Arduinos and components costing under 30 euros. Posts cover schematics, PCB design in KiCad, measurements, and hands-on construction with detailed technical write-ups that make it a great resource for DIY radio builders.
https://rubythroat.org/
Operation RubyThroat is a comprehensive hummingbird research and education project run by Bill Hilton Jr. and the Hilton Pond Center for Piedmont Natural History in South Carolina. The site covers everything from attracting hummingbirds with feeders to scientific banding studies and student citizen-science projects, making it a rich hub for both casual enthusiasts and educators.
https://eclipse.gsfc.nasa.gov/SEgoogle/SEgoogle2001/SE2017Aug21Tgoogle.html
Fred Espenak's NASA Eclipse Website hosts an interactive Google Maps tool showing the precise path of totality for the August 21, 2017 total solar eclipse, including central line, northern and southern limits, and 10-minute interval markers. Hosted by NASA's Goddard Space Flight Center, the page provides detailed data on greatest eclipse, greatest duration, lunar limb profiles, and eclipse weather resources.
http://websdr.org/
WebSDR.org is the home of the WebSDR project, a network of software-defined radio receivers accessible via a web browser, allowing anyone to tune into shortwave, amateur radio, and other RF signals from around the world. The site connects users to SDR servers hosted by universities, radio clubs, and hobbyists, making radio listening accessible without any special hardware.