Alternatives to Mars.org

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aasnova.org favicon

Discover the latest astronomy research highlights

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AAS Nova shares highlights and updates from astronomy research, featuring discoveries, images, and news for astronomy enthusiasts and professionals.

breakthroughinitiatives.org favicon

Join the search for life beyond Earth

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

ips-planetarium.org favicon

Join the worldwide planetarium network

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Connect with the global planetarium community, find events, resources, and news for astronomy professionals and enthusiasts worldwide.

aavso.org favicon

Track and discuss variable stars with fellow astronomers

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

eventhorizontelescope.org favicon

Discover groundbreaking black hole research

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

astronomerstelegram.org favicon

Real-time alerts on astronomical discoveries

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

faaq.org favicon

Discover astronomy events and join Quebec’s stargazers

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Fédération des astronomes amateurs du Québec connects astronomy enthusiasts in Quebec with events, news, resources, and a supportive community in French.

archive.eso.org favicon

Explore and download ESO telescope data archives

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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

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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

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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

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

cps.iau.org favicon

Protecting dark skies from satellite interference

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The IAU Centre works to protect dark and quiet skies from satellite interference, supporting astronomy, wildlife, and cultural heritage worldwide.

icrar.org favicon

Explore the universe through radio astronomy research

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Discover radio astronomy research, news, and outreach from ICRAR, a collaboration advancing our understanding of the universe from Western Australia.

nanograv.org favicon

Explore gravitational waves with radio astronomy

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NANOGrav is an international group exploring the universe and gravitational waves using radio astronomy and the world’s largest telescopes.

rochesterastronomy.org favicon

Explore the night sky with local astronomy guides

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ASRAS connects astronomy enthusiasts with monthly sky guides, educational events, and community activities in Rochester. Discover, learn, and join in.

seti.org favicon

Explore the search for life beyond Earth

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

webbtelescope.org favicon

Explore Webb’s discoveries and stunning space images

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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

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

ligo.org favicon

Explore gravitational wave discoveries and science

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

keckobservatory.org favicon

Explore discoveries from world-class telescopes

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Discover the universe with Keck Observatory—learn about groundbreaking astronomy research, telescopes, cosmic events, and ways to get involved.

More Mars.org Alternatives

forum.astronomy.com favicon

Connect with fellow stargazers and space fans

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

pweb.cfa.harvard.edu favicon

Discover the universe with Harvard & Smithsonian science

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Explore groundbreaking astronomy research, resources, and discoveries from the joint Harvard & Smithsonian Center for Astrophysics. Learn about the universe.

pcos.gsfc.nasa.gov favicon

Explore the universe with NASA's PhysCOS insights

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Explore NASA's Physics of the Cosmos Program—discover research, projects, and resources about the universe, black holes, dark matter, and more.

cfa.harvard.edu favicon

Discover groundbreaking space research and resources

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

aip.de favicon

Discover leading astrophysics research and resources

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

solar-center.stanford.edu favicon

Explore interactive solar science resources

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Discover solar science with Stanford Solar Center—explore resources, tools, and educational content about the Sun and solar research.

nightsky.jpl.nasa.gov favicon

Join astronomy clubs and discover local sky events

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Connect with astronomy clubs, find stargazing events, and access skywatching resources through the Night Sky Network’s member site.

sron.nl favicon

Explore Dutch-led breakthroughs in space research

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SRON is a leading Dutch institute for space research, sharing breakthroughs in astronomy, earth observation, and scientific instrument development.

public.nrao.edu favicon

Discover the universe through radio astronomy

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

lunarscience.arc.nasa.gov favicon

Connect with NASA’s lunar science community

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Explore lunar and planetary science with SSERVI, a NASA institute offering research, resources, and collaboration in solar system exploration.

solarscience.msfc.nasa.gov favicon

Discover NASA's latest solar research and insights

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

orbiter-forum.com favicon

Discuss space flight and Orbiter simulation

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Join discussions about space flight, Orbiter simulator, and astronomy topics. Connect with enthusiasts, share add-ons, and find helpful resources.

skao.int favicon

Explore cutting-edge astronomy and Indigenous art

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

unige.ch favicon

Explore astronomy research and studies in Geneva

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Homepage for the Astronomy Department at the University of Geneva, offering research news, educational resources, and information about astronomy studies.

swinburne.edu.au favicon

Discover cutting-edge astronomy research and education

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The Centre for Astrophysics and Supercomputing shares research, education, and resources in astronomy, inspiring curiosity about the universe.

gemini.edu favicon

Observe the cosmos with twin world-class telescopes

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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

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

msss.com favicon

Discover space camera systems and missions

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

rasc.ca favicon

Connect with fellow astronomy enthusiasts

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Discover astronomy resources, community programs, and events with the Royal Astronomical Society of Canada. Join, learn, and explore the universe together.

obspm.fr favicon

Get precise Earth rotation and astronomy data

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Access Earth rotation data, reference systems, and astronomy resources from the Paris Observatory's IERS Centers. Ideal for researchers and enthusiasts.