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://aerith.net/index.html
Seiichi Yoshida's comprehensive comet resource site offers extensive catalogs, weekly bright comet updates, light curves, and thousands of photographs tracking comets from around the world. Yoshida is a notable amateur astronomer who even had a minor planet named after him, and his MISAO project leverages global imagery to detect and track remarkable astronomical objects.
![start [NEKAAL]](/screenshots/37403.webp)
http://nekaal.org/doku.php
NEKAAL (Northeast Kansas Amateur Astronomers' League Inc.) is the official site for an astronomy club based in Northeast Kansas, home to the Farpoint Observatory. Visitors can find upcoming public astronomy nights, general meeting schedules, astro images, observer archives, and links to educational resources for amateur stargazers.
https://mm4rk3t.neocities.org/
A minimalist personal page from a creator known as mm4rk3t, built around a Latin aphorism about stars being visible only at night and the sleepless nights that make mathematicians and astronomers. The sparse, cryptic aesthetic and classical quotation give the site an enigmatic, philosophical quality that hints at interests in astronomy and mathematics.
http://foxdelta.com/
Fox Delta, operated by K7SFN, I2TZK, and VU2FD, is a direct-sales kit shop and project resource for amateur radio enthusiasts, offering RF amplifiers, SWR meters, antenna rotator software, and more. The site features a range of active and previous hardware kits including the PA-100 IRF510 RF amplifier and ST2 USB interface, all sold exclusively through this site with no third-party dealers.
https://milwaukeeastro.org/
The Milwaukee Astronomical Society has maintained this richly detailed site for its membership, featuring multiple observatories, a deep archive of astrophotography spanning decades, and extensive beginner resources covering telescopes, stargazing tours, and celestial objects. With a historic club archive dating back to 1932, seasonal sky guides, variable star projects, and a member image showcase, this is a treasured hub for amateur astronomers in Wisconsin.
http://greencountryhamfest.org/
Green Country Hamfest, Inc. organizes the annual amateur radio hamfest held at the Claremore Expo Center in Claremore, Oklahoma. The site provides information about this West Gulf Division event, serving ham radio enthusiasts from the region.
http://cogweb.ucla.edu/CogSci/ToMM.html
A scholarly resource from UCLA's CogWeb project exploring Theory of Mind (ToMM), the cognitive mechanisms humans use to attribute mental states like beliefs, desires, and intentions to others. Written by Francis F. Steen in 1997, it covers the groundbreaking work of Alan Leslie and Simon Baron-Cohen on autism, child development, and the evolutionary origins of mind-reading abilities.
https://vcas.org/
The Ventura County Astronomical Society (VCAS) brings together stargazers of all ages in the Thousand Oaks, California area through monthly lectures, star parties, Messier marathons, and community outreach events. Members enjoy access to loaned telescopes, remote viewing field trips, and a quarterly astronomy magazine, making this a rich hub for both beginner and experienced amateur astronomers.
https://rdelsol.com/
Rancho Del Sol Observatory is a personal astronomy site featuring articles and updates about space exploration, including NASA's Mars rover Perseverance and planetary science topics like Uranus. The site blends historical context about astronomy's milestones with news-style posts covering recent developments in space exploration.
http://stargazing.net/david/constel/skymapindex.html
David Haworth's stargazing site offers a comprehensive index of printable sky maps organized by month, time, and observing location, with five detail levels ranging from basic star fields to full constellation boundaries. Each map links to more detailed constellation charts, making this a practical reference for amateur astronomers heading out for a night of naked-eye or telescopic observing.