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://abmedia.com/astro
Chris Cook's extensive astrophotography portfolio spans nearly four decades of celestial imaging, featuring deep sky objects, comets, eclipses, auroras, and stunning nightscape photography captured on both film and digital equipment. With NASA APOD features, astrophotography workshops, and a vast archive organized by technique and subject, this is a remarkable showcase of dedication to the craft.
https://w7eca.org/
The Great Falls Area Amateur Radio Club (W7ECA) is a ham radio club serving operators in Cascade County and surrounding North Central Montana. The site covers club membership, repeater information, ARES emergency communications, and events like Field Day and the historic Glacier Waterton Hamfest.
http://marcmvra.net/
The Mankato Area Radio Club (MARC) has served amateur radio operators in southern Minnesota since 1954, and this official site provides meeting details, repeater frequencies, local net schedules, and VE testing information. A great resource for hams in the Mankato region looking to connect with a local club or find area frequency programming.
http://astronom.de/
Sebastian Voltmer's personal astrophotography site showcases stunning images of deep-sky objects, galaxies, nebulae, and planets captured through his telescope. The site blends scientific passion with artistic vision, featuring photos and videos of the cosmos from locations including the French Alps.
https://deepimpact.astro.umd.edu/
The official University of Maryland archive for NASA's Deep Impact mission, which sent a spacecraft to collide with comet Tempel 1 in 2005 and later extended its mission as EPOXI to observe comet Hartley 2 and distant exoplanets. The site preserves science results, image and video galleries, team member profiles, and mission history through the spacecraft's final loss of contact in 2013.
https://marc-hq.org/
The Motorcycling Amateur Radio Club (MARC) is a community group that combines motorcycle riding with ham radio operation to support charity fundraising events like Bike MS rides in Southern California. The site includes a tech center, photo gallery, newsletters, event calendar, and membership information for riders and operators who want to combine their passions while giving back.
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.
https://hfsignals.com/
HF Signals is the official home of the BITX line of amateur radio transceivers, offering a range of affordable QRP kits from the $39 all-analog LARCSet to the feature-packed $399 sBitx v3 SDR. Each radio is hand-assembled and tested, with open-source schematics and software, making them popular among homebrewers, beginners, and QRP enthusiasts worldwide.
https://astronomy.org/StarWatch/April/index-4-19.html
StarWatch is a weekly astronomy column produced by Moravian College covering night sky events, star maps, moon phases, and detailed guides to constellations and celestial phenomena visible from the Lehigh Valley region. Written by Dr. Terry Pundiak, each installment combines accessible storytelling with genuine astronomical depth, covering topics from the imaging of the M87 black hole to the mechanics of Easter dating and the effects of precession on telescope alignment.
https://ourcolorfulcosmos.com/
Steve Mazlin, MD shares his stunning astrophotography collection at Our Colorful Cosmos, featuring images organized into sections covering nebulae, galaxies, star clusters, and the solar system. The image-heavy site showcases deep-sky photography from a dedicated personal observatory, with a companion YouTube channel under the handle 'mazlinithegreat' for additional content.