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://astrophoto.com/
Tony and Daphne Hallas present their astrophotography and general photography work at this long-running site dedicated to capturing the night sky. The site appears to be a showcase of their astronomical and nature photography, though the current version shows minimal content and an unusual casino sponsorship note.
https://bdxc.org.uk/
The British DX Club (BDXC-UK) is the premier UK organization for radio listeners and DXers, covering shortwave, medium wave, FM, and international broadcast schedules. Members get access to guides, propagation data, a monthly bulletin called Communication, and listings of UK and Irish radio stations.
https://w4zt.com/
Tony King's W4ZT memorial site covers his extensive amateur radio activities, including repeaters, antenna construction, power supply modifications, and DXpeditions. Now preserved as a tribute after Tony's passing in 2009, the site offers a wealth of technical resources and personal projects from a dedicated ARRL life member based in the Atlanta area.
https://w6ka.net/
The Pasadena Radio Club (W6KA) is a Southern California ham radio club offering meetings at Kaiser Permanente in Pasadena with simultaneous Zoom access, plus contests, Field Day events, and local repeater information. The site features a bulletin archive, event calendar, membership resources, and a library of reference materials for both newcomers and experienced amateur radio operators.
https://moonconnection.com/
MoonConnection.com is a comprehensive lunar reference covering moon phases, eclipses, Apollo missions, tides, and the moon's gravitational effects, complete with interactive tools and a monthly phases calendar. It also offers practical guides on fishing, hunting, and night photography by moon phase, plus companion mobile apps for tracking lunar cycles on the go.
https://www.qsl.net/mara/index.html
The Madison Area Repeater Association (MARA) is a non-profit amateur radio club based in Madison, Wisconsin, affiliated with the Wisconsin Association of Repeaters. This page serves as a hub for club members, listing meeting times and locations while redirecting visitors to their newer site.
http://deepskystacker.free.fr/english/index.html
DeepSkyStacker is a free software tool designed for astrophotographers who want to stack and process deep-sky images to reveal faint celestial objects. The site offers downloads, screenshots, a user manual, FAQ, technical details, and tutorials for getting the most out of the application.
http://n5hq.com/
N5HQ is the personal ham radio site of an Extra Class operator licensed since 1978, covering SSTV, DSSTV, QSL cards, antenna design tools, and amateur radio licensing resources. The site also highlights the operator's involvement as an ARRL Volunteer Examiner, Skywarn weather spotter, and Ten-Ten International member.
https://astronomy-links.net/lifeonwanderingplanets.html
Clark M. Thomas presents a speculative essay on the possibility of life on wandering planets and dark solar systems, drawing on extremophile biology and decades of independent astronomical thinking. The piece weaves together astrophysics, astrobiology, and theology, touching on exoplanets, Europa, HIV research history, and UFOs as part of the author's idiosyncratic intellectual journey.
https://flame.org/~cdoswell/chasesums/chasesums.html
Chuck Doswell's storm chasing page chronicles over three decades of tornado pursuit, beginning with his first chase in April 1972 and including detailed logs, historical accounts, and safety advice drawn from genuine scientific expertise. Packed with chase summaries, photography links, and connections to fellow chasers and meteorologists, this is a deep and personal record from one of the field's most experienced practitioners.