Alternatives to Earthsky.org

Discover websites similar to Earthsky.org based on shared categories, topics, and features.

Change view:

Alternatives with .org Domain Extension

asteroidmission.org favicon

Explore NASA's asteroid sample return mission

59%

Learn about NASA's OSIRIS-REx mission, the first U.S. project to collect and return samples from an asteroid, with detailed info and mission updates.

archive.eso.org favicon

Explore and download ESO telescope data archives

55%

Access astronomical data from ESO telescopes and observatories, explore processed datasets, and find research resources for astronomy studies.

esawebb.org favicon

Discover Webb telescope news and images

55%

Explore news, images, and discoveries from the ESA Webb space telescope. Stay updated with press releases, scientific results, and stunning space photos.

pds-rings.seti.org favicon

Access NASA planetary rings and moons data

55%

Explore and access scientific data on planetary rings and moons from NASA's archive, including tools, images, and research for astronomy enthusiasts.

planet4589.org favicon

Get expert space news and astronautics updates

55%

Explore Jonathan McDowell's homepage for space news, astronautics reports, and astrophysics insights from a respected astronomer.

lsst.org favicon

Explore the dynamic universe with real data

54%

Rubin Observatory offers resources, news, and data for exploring the universe, supporting both scientists and the public in astronomy and discovery.

webbtelescope.org favicon

Explore Webb’s discoveries and stunning space images

54%

Explore NASA’s James Webb Space Telescope mission, learn about its discoveries, view images, and dive into the science behind our universe’s origins.

almaobservatory.org favicon

Take virtual tours of a world-class observatory

54%

Explore the universe with ALMA Observatory’s site—discover cosmic origins, access virtual tours, and learn about groundbreaking astronomy research.

aavso.org favicon

Track and discuss variable stars with fellow astronomers

50%

Join a global community of astronomy enthusiasts to observe, share, and learn about variable stars with helpful tools and forums for all experience levels.

worldwidetelescope.org favicon

Explore the universe with interactive star maps

50%

Explore interactive maps of the universe and view astronomical data from telescopes worldwide using this web-based planetarium tool.

amsmeteors.org favicon

Report fireballs and track meteor showers

50%

Discover meteor showers, report fireballs, and join a community passionate about meteors and astronomy. Explore news, events, and skywatching resources.

uahirise.org favicon

View stunning, detailed images of Mars

50%

Explore high-resolution images of Mars from NASA's HiRISE experiment, browse a vast catalog, and learn about Martian science with interactive tools.

celestrak.org favicon

Track satellites and view real-time orbital data

50%

CelesTrak offers up-to-date satellite tracking data, tools, and resources for anyone interested in monitoring objects in Earth orbit.

eventhorizontelescope.org favicon

Discover groundbreaking black hole research

48%

Explore the Event Horizon Telescope project, where global astronomers join forces to study black holes and share the latest findings in astronomy.

windows2universe.org favicon

Explore Earth and space with interactive resources

48%

Learn about Earth, space, and the arts with interactive resources, activities, and multimedia—available in English and Spanish for all ages.

astronomerstelegram.org favicon

Real-time alerts on astronomical discoveries

46%

Get real-time alerts and updates on astronomical discoveries, flares, and transients from the global astronomy community. Stay informed on the latest events.

breakthroughinitiatives.org favicon

Join the search for life beyond Earth

45%

Explore space science and the search for life beyond Earth with Breakthrough Initiatives, a platform for cutting-edge research and cosmic discovery.

sdss.org favicon

Access global sky survey data and research tools

41%

Explore the universe with SDSS-V—access sky-wide optical and IR data, research tools, and collaborative resources for astronomy and science education.

britastro.org favicon

Join a vibrant astronomy community and learn together

41%

Connect with amateur astronomers, find observing guides, join discussions, and access resources to explore astronomy with the British Astronomical Association.

seti.org favicon

Explore the search for life beyond Earth

38%

The SETI Institute brings together scientists and space enthusiasts to explore the universe, share discoveries, and ask if we are alone in space.

Top Earthsky.org Alternatives (Matching Language)

heasarc.gsfc.nasa.gov favicon

Explore real NASA astronomy data and tools

59%

Access NASA's archive for high-energy astronomy data, software, and tools from space missions—ideal for scientists and astronomy enthusiasts.

cometography.com favicon

Discover the history and science of comets

56%

Explore detailed research, history, and information about comets and meteor showers, inspired by Gary W. Kronk's renowned Cometography series.

orbitaldebris.jsc.nasa.gov favicon

Get the latest info on space debris from NASA

55%

Explore NASA's Orbital Debris Program Office for data, research, and resources on tracking and understanding space debris in Earth's orbit.

exploration.esa.int favicon

Explore Mars missions and robotic discoveries

55%

Explore Mars missions, news, and resources from the European Space Agency. Discover robotic exploration updates, educational tools, and mission highlights.

skyrocket.de favicon

Discover rockets, satellites, and space missions

54%

Explore detailed information on space missions, rockets, satellites, and spaceflight history with this comprehensive online space exploration resource.

public.nrao.edu favicon

Discover the universe through radio astronomy

50%

Explore radio astronomy with the National Radio Astronomy Observatory—discover research, telescopes, news, and educational resources about the universe.

sdo.gsfc.nasa.gov favicon

View real-time images and data of the Sun

50%

Explore real-time solar images, data, and research from NASA's Solar Dynamics Observatory to better understand the Sun and its impact on Earth.

imo.net favicon

Report and track meteor showers worldwide

50%

Track meteor showers, report fireball sightings, and join a global community of meteor enthusiasts with news, photos, and observation tools.

skao.int favicon

Explore cutting-edge astronomy and Indigenous art

50%

Discover the SKA Observatory’s science, astronomy projects, and Indigenous art exhibitions, plus resources, news, and opportunities in astronomy research.

fermi.gsfc.nasa.gov favicon

Discover the universe's most energetic events

48%

Explore the universe with NASA's Fermi Gamma-ray Space Telescope site, offering news, discoveries, and resources about high-energy cosmic phenomena.

gemini.edu favicon

Observe the cosmos with twin world-class telescopes

46%

Explore the universe with Gemini Observatory's twin telescopes in Hawaii and Chile, offering sky observations, research, and astronomy resources.

cxc.harvard.edu favicon

Access X-ray astronomy data and research tools

46%

Explore the Chandra X-ray Center portal for high-energy astrophysics data, research tools, and resources from the Harvard-Smithsonian Center for Astrophysics.

aip.de favicon

Discover leading astrophysics research and resources

45%

Explore the Leibniz Institute for Astrophysics Potsdam, featuring research, news, and resources on cosmic phenomena, astronomy, and astrophysics. Available in English and German.

sarao.ac.za favicon

Discover South Africa’s radio astronomy projects

45%

Explore South Africa's radio astronomy hub, SARAO, managing the MeerKAT telescope and offering news, events, and resources for science enthusiasts.

lroc.im-ldi.com favicon

View high-resolution images of the Moon

41%

Explore detailed lunar images, data, and resources from NASA's Lunar Reconnaissance Orbiter Camera—ideal for moon enthusiasts, students, and researchers.

cneos.jpl.nasa.gov favicon

Track near-Earth asteroids and close approaches

41%

Explore NASA's Near-Earth Object database for up-to-date info on asteroid risks, close approaches, orbits, and more. Track NEOs and learn about space safety.

caltech.edu favicon

Discover cosmic ray and space mission research

40%

Explore the Space Radiation Lab at Caltech for research, projects, and data on cosmic rays, astrophysics, and space missions.

imagine.gsfc.nasa.gov favicon

Discover cosmic wonders and ask an astrophysicist

39%

Explore astronomy topics, cosmic objects, and science resources designed for teens and curious minds who want to learn more about our universe.

boulder.swri.edu favicon

Discover the latest in planetary science research

38%

Explore planetary science news, NASA missions, and research from SwRI's Boulder office, including asteroid discoveries and space exploration updates.

asd.gsfc.nasa.gov favicon

Discover NASA astrophysics research and data

38%

Explore astrophysics research, data archives, and resources on cosmic rays, exoplanets, and more from NASA's Astrophysics Science Division.

More Earthsky.org Alternatives

msss.com favicon

Discover space camera systems and missions

57%

Explore space imaging, camera systems, and science missions with Malin Space Science Systems, a hub for space camera technology and operations.

marsoweb.nas.nasa.gov favicon

Browse Mars landing sites and mission data

55%

Explore detailed info on Mars landing sites, mission data, and scientific resources for researchers, students, and enthusiasts interested in Mars exploration.

irsa.ipac.caltech.edu favicon

Search NASA's infrared astronomy data archive

54%

Explore NASA's archive of infrared and submillimeter astronomy data, search mission science products, and access resources for space research.

stereo.gsfc.nasa.gov favicon

View live solar images and space weather data

52%

Explore solar storms and space weather with real-time images and data from the STEREO space observatory, tracking the Sun and its activity.

armaghplanet.com favicon

Explore astronomy news and sky updates

52%

Astronotes is Armagh Observatory and Planetarium's blog, sharing updates, news, and insights about astronomy, space, and scientific discoveries.

chandra.harvard.edu favicon

Experience the universe through X-ray data and sound

50%

Explore NASA's Chandra X-ray Observatory with images, data, and interactive tools about black holes, exploding stars, and the universe's high-energy events.

map.gsfc.nasa.gov favicon

Discover universe data from NASA's WMAP mission

50%

Explore NASA's Wilkinson Microwave Anisotropy Probe site for data, discoveries, and resources about the universe and cosmology research.

coaa.co.uk favicon

Experience astronomy in Portugal's Algarve

50%

COAA offers astronomy experiences and resources in the Algarve, Portugal, with observatory access, stargazing events, and learning opportunities.

eclipse.gsfc.nasa.gov favicon

Browse 5,000 years of eclipse maps and data

48%

Explore NASA's official archive of eclipse maps, tables, and guides spanning 5,000 years, with tips on eclipse viewing, safety, and photography.

exoplanetarchive.ipac.caltech.edu favicon

Discover and analyze exoplanet data online

48%

Explore NASA's Exoplanet Archive for detailed data, interactive tools, and light curves on planets beyond our solar system. Ideal for astronomy research.

projectpluto.com favicon

Calculate orbits and track satellites online

48%

Project Pluto offers astronomy software and online tools for amateur and professional astronomers, including orbit determination and satellite tracking.

minorplanetcenter.net favicon

Track and report asteroids and comets worldwide

45%

Official source for tracking and reporting observations of asteroids, comets, and minor planets, with tools for orbit data and discovery announcements.

openexoplanetcatalogue.com favicon

Explore a full catalog of known exoplanets

45%

Browse and explore a comprehensive, open database of all discovered exoplanets, with data contributed by astronomers and the public.

hesperia.gsfc.nasa.gov favicon

Access real solar flare data and mission insights

45%

Explore RHESSI mission data, solar flare images, and scientific resources for studying high-energy solar phenomena and space science research.

hea-www.harvard.edu favicon

Discover Harvard astrophysics research projects

45%

Explore Harvard's High Energy Astrophysics division for research, staff info, and resources on astronomy, cosmology, and related scientific projects.

solarscience.msfc.nasa.gov favicon

Discover NASA's latest solar research and insights

42%

Explore solar physics with NASA's Marshall team—learn about the Sun, sunspots, space weather, and current solar research projects in clear, engaging detail.

soho.nascom.nasa.gov favicon

View real-time solar images and data

41%

Explore real-time images, data, and news from the Solar and Heliospheric Observatory. Learn about solar events and stay updated on the latest discoveries.

ligo.org favicon

Explore gravitational wave discoveries and science

38%

LIGO Scientific Collaboration shares gravitational wave discoveries, research, and educational resources for exploring the universe's fundamental physics.

cfa.harvard.edu favicon

Discover groundbreaking space research and resources

37%

Explore the universe with the Center for Astrophysics, a collaboration between Harvard and Smithsonian sharing research, discoveries, and opportunities in astronomy.

forum.astronomy.com favicon

Connect with fellow stargazers and space fans

35%

Join a friendly astronomy forum to discuss stargazing, share tips, ask questions, and connect with space enthusiasts of all experience levels.