Welcome to our curated collection of the most important astronomy websites. Here you will find links to major space agencies, research institutions, and educational resources. This page is designed as a reference hub — whether you are looking for the latest space missions, research updates, or learning materials, you will find reliable sources here. Bookmark this page and return anytime to explore the universe online.
NASA
- NASA Homepage
- NASA News Releases
- NASA Image of the Day
- NASA Solar System Exploration
- NASA Hubble Space Telescope
ESA (European Space Agency)
International Research Organizations
- European Southern Observatory (ESO)
- International Astronomical Union (IAU)
- Square Kilometre Array (SKA) Observatory
- CERN – European Organization for Nuclear Research
Observation & Education
- Sky & Telescope Magazine
- Astronomy Magazine
- Heavens Above
- Stellarium (Open Source Planetarium)
- International Dark-Sky Association
🚀 Space Agencies
A selection of major national and international space agencies, with official mission updates, images, data portals, and education resources.
- NASA — National Aeronautics and Space Administration (USA)
Official US space agency: missions (Artemis, Mars rovers, JWST partnership), news, images, videos, education & open data. - ESA — European Space Agency
Europe’s civil space agency: Earth observation (Copernicus), science (Gaia, Juice), exploration, education & media kits. - JAXA — Japan Aerospace Exploration Agency
Japan’s space agency: science & exploration (Hayabusa, SLIM), Earth observation, ISS activities, press releases. - ISRO — Indian Space Research Organisation
India’s space agency: launch services (PSLV, GSLV), lunar & solar missions (Chandrayaan, Aditya-L1), program updates. - CSA/ASC — Canadian Space Agency
Canada’s space agency: robotics (Canadarm), Earth observation, astronaut program, education resources. - Roscosmos — State Space Corporation (Russia)
Russian civil space program: launches, ISS participation history, spacecraft & mission news. - CNSA — China National Space Administration
China’s space agency: lunar & planetary exploration (Chang’e, Tianwen), space station (Tiangong), official releases. - UK Space Agency
UK government space body: missions, funding calls, industry & research news, education and outreach. - DLR — German Aerospace Center
Germany’s national aerospace research center: space science & technology, Earth observation, missions & instruments. - ASIAA — Academia Sinica Institute of Astronomy and Astrophysics (Taiwan)
National institute involved in radio/sub-mm astronomy and international space/astronomy collaborations. - Australian Space Agency
Australia’s civil space agency: industry growth, missions & partnerships, education resources. - Saudi Space Agency
Saudi Arabia’s national space body: programs, astronaut activities, education & outreach. - CONAE — Comisión Nacional de Actividades Espaciales (Argentina)
Argentina’s space agency: Earth observation satellites (SAOCOM), missions & data. - AEB — Agência Espacial Brasileira (Brazil)
Brazil’s space agency: programs, launches, partnerships, education. - SANSA — South African National Space Agency
South Africa’s space agency: space science, Earth observation, space weather services.
🔭 Observatories & Telescopes
- Hubble Space Telescope (NASA/ESA) — One of the most important space telescopes, delivering stunning deep-space images since 1990.
- James Webb Space Telescope — The next-generation telescope studying the universe in infrared with unprecedented detail.
- European Southern Observatory (ESO) — Operates world-class ground-based observatories in Chile, including the Very Large Telescope (VLT).
- Keck Observatory — Home to some of the world’s largest optical and infrared telescopes, located in Hawaii.
- Vera C. Rubin Observatory — A new facility designed to conduct a 10-year survey of the dynamic sky.
Research & Education
- American Astronomical Society (AAS) – Professional society of astronomers in North America.
- International Astronomical Union (IAU) – Global organization uniting astronomers worldwide.
- Astronomy University Resources – Guides and educational material for students and researchers.
- ESA Education – European Space Agency’s educational resources and projects.
- NASA Science for Students – NASA’s official education portal for students and teachers.
- IAU Office of Astronomy for Education – Resources and projects supporting astronomy teaching globally.
Space Exploration & Missions
- NASA – United States National Aeronautics and Space Administration.
- European Space Agency (ESA) – Europe’s gateway to space exploration.
- JAXA – Japan Aerospace Exploration Agency.
- CNSA – China National Space Administration.
- ISRO – Indian Space Research Organisation.
- SpaceX – Private aerospace company founded by Elon Musk.
- Blue Origin – Aerospace manufacturer and spaceflight services company founded by Jeff Bezos.
- Mars Exploration Program – NASA’s dedicated Mars mission program.
Astronomy News & Media
- Space.com – News and updates on astronomy, spaceflight, and exploration.
- Universe Today – Daily space and astronomy news articles.
- Sky & Telescope – Magazine and online resource for amateur and professional astronomers.
- Astronomy Magazine – Popular astronomy magazine with articles, guides, and news.
- Phys.org – Space News – Latest scientific research and discoveries in space science.
- Scientific American – Space – In-depth science journalism on space and astronomy.
Telescopes & Observatories
- HubbleSite – Official site of the Hubble Space Telescope with news and stunning images.
- James Webb Space Telescope – Latest discoveries and images from NASA’s next-generation space telescope.
- Chandra X-ray Observatory – NASA’s flagship X-ray observatory with images and data.
- European Southern Observatory (ESO) – Research and images from ESO’s world-class telescopes in Chile.
- W. M. Keck Observatory – Information and discoveries from the twin Keck telescopes in Hawaii.
- Gemini Observatory – Twin telescopes in Hawaii and Chile offering cutting-edge astronomical research.
Astronomy Tools & Resources
- Stellarium – Free open-source planetarium software to explore the night sky.
- Heavens Above – Track satellites, ISS passes, and other objects in the night sky.
- Sky & Telescope Interactive Sky Chart – Generate custom star maps for any location and time.
- Time and Date Astronomy Tools – Moon phases, eclipses, and sky event calculators.
- Calsky (Archive) – Information on comets, satellites, and solar system objects.
- CalSky successor projects – Alternative tools after CalSky shutdown.
Astronomy News & Media
- Space.com – Daily updates on space science, astronomy, and exploration.
- Sky & Telescope – Trusted magazine with astronomy news, observing guides, and tools.
- Astronomy Magazine – Articles, observing tips, and the latest astronomical discoveries.
- Scientific American – Space – Expert articles and analysis on space and astronomy topics.
- Universe Today – Popular site for news on astronomy, spaceflight, and astrophysics.
- Astronomy Cast – Weekly podcast covering diverse astronomy and space topics.
Amateur Astronomy & Observing Communities
- BBC Sky at Night Magazine – Resources, observing guides, and community for amateur astronomers.Amateur Astronomy & Observing Communities
- BBC Sky at Night Magazine – Resources, observing guides, and articles for amateur astronomers.
- Cloudy Nights – A large and very active forum for telescope users and astrophotography enthusiasts.
- Sky & Telescope – One of the most trusted magazines for skywatchers worldwide, with guides and reviews.
- Astronomy Magazine – News, observing tips, and tutorials for beginners and advanced hobbyists.
- Stargazers Lounge – UK-based online community for astronomy discussions and advice.
Research & Professional Institutions
- European Southern Observatory (ESO) – Operates some of the world’s most advanced telescopes in Chile.
- American Astronomical Society (AAS) – Professional society of astronomers, promoting the advancement of astronomy and astrophysics.
- International Astronomical Union (IAU) – Global authority for naming celestial objects and coordinating astronomical research.
- National Astronomical Observatory of Japan (NAOJ) – Japan’s leading institute for astronomical research and large observatories.
- Harvard–Smithsonian Center for Astrophysics (CfA) – A major US research center focused on astrophysics and space science.
Observation Tools & Data Resources
- SIMBAD Astronomical Database – Comprehensive database of stars, galaxies, and astronomical objects.
- NASA ADS (Astrophysics Data System) – Digital library for astronomy and physics research papers.
- Hubble Legacy Archive – Public access to processed Hubble Space Telescope images and data.
- NASA SkyView – Virtual observatory that generates images of any part of the sky at multiple wavelengths.
- International Virtual Observatory Alliance (IVOA) – Global project to make astronomical data accessible and interoperable.