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://milueth.de/Moose
Michael Lueth's extensive photographic flora documents mosses, liverworts, and other bryophytes across Europe and beyond, with photo diaries from dozens of field excursions spanning from Svalbard to Madeira. The site features hundreds of species-level plant photographs organized by location and expedition, making it a remarkable visual reference for bryophyte enthusiasts and botanists alike.
http://stargazing.net/mas
The Muskegon Astronomical Society is a Michigan-based non-profit astronomy club founded in 1972, with its own multi-building observatory complex and an active membership of stargazers. The site features astrophotography from members including nebulae, auroras, comets, and Saturn, plus comet ephemeris tools, observing links, a club events calendar, and JavaScripts for night sky calculations.
https://eclipse-chasers.com/
Eclipse Chasers is a dedicated hub for anyone passionate about witnessing total solar eclipses, offering photography tips, safety guides, solar eclipse maps, and an interactive worldwide log where visitors can record and share their own eclipse observations. The site combines practical tools like online calculators with educational content and links to authoritative references, making it a solid starting point for both newcomers and seasoned eclipse travelers.
https://mathgenealogy.org/
The Mathematics Genealogy Project is a massive academic database tracking the doctoral advisor lineages of mathematicians worldwide, with over 337,000 records linking students to their advisors across generations. Hosted by NDSU in association with the American Mathematical Society, it lets you trace the intellectual ancestry of virtually any mathematician back through history.
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.
http://euclid.psych.yorku.ca/SCS/Gallery
Hosted at York University, the Gallery of Data Visualization is a reference collection showcasing classic and contemporary examples of statistical graphics and chart design. It serves as an educational resource for students and researchers interested in how data can be effectively communicated through visual means.
https://ucolick.org/~sla/leapsecs/deltat.html
Steve Allen's detailed reference site on the history and technical implications of leap seconds, delta time, and precision time scales used in astronomy and timekeeping. It features plots, tables, historical data, and analysis of the ongoing ITU-R debate over whether to abandon leap seconds from UTC.
http://einstein.stanford.edu/
The official site for NASA's Gravity Probe B mission, a Stanford University experiment designed to test two key predictions of Einstein's general theory of relativity using ultra-precise gyroscopes orbiting Earth. Visitors can explore the mission's history dating back to 1959, the groundbreaking engineering advances required to make it possible, technical papers, image galleries, and video overviews of spacetime concepts.
http://treasurecoastastronomy.org/
The Treasure Coast Astronomy Society (TCAS) maintains this site as a hub for amateur astronomers along Florida's Treasure Coast, covering topics like astrophotography, telescopes, and optical instruments. With keywords spanning apochromatic refractors, go-to mounts, and astronomy software, this is a classic old-web astronomy club presence for serious hobbyists and stargazers.
https://marcclub.org/
The Montgomery Amateur Radio Club is the official web presence for a local ham radio club, bringing together amateur radio enthusiasts in the Montgomery area. The site serves as a hub for club information, though the page content is minimal at this snapshot.