• An Earth-sized radio observatory just got better: South Africa’s MeerKAT telescope joins forces with the European VLBI Network of telescopes

    South Africa’s MeerKAT radio telescope has successfully conducted very long baseline interferometry (VLBI) observations with telescopes of the European VLBI Network (EVN)—currently the world’s most sensitive VLBI network.

    Read more on the Very Long Baseline Interferometry (VLBI) observations with telescopes
  • MeerKAT Radio Telescope Call for Observing Proposals

    The South African Radio Astronomy Observatory (SARAO) announces an opportunity to apply for observing time on the MeerKAT telescope.

    A minimum of 3,000 hours of telescope time will be awarded through this opportunity.

    Find out more on the MeerKAT Knowledge Base
  • Botswana joins growing African radio astronomy network with latest TART telescope installation

    Another Transient Array Radio Telescope (TART) instrument has been deployed in Botswana during a workshop held at the Botswana International University of Science & Technology (BIUST) from 17–21 March 2025.

    Read more on TART telescope installation
  • Milky Way’s cold gas clouds mapped in unprecedented detail by the MeerKAT Absorption Line Survey

    Using the data from the most sensitive radio telescope on Earth, the MeerKAT telescope in South Africa, an international team of astronomers has released the most comprehensive catalog of cold hydrogen gas in the Milky Way galaxy as part of the MeerKAT Absorption Line Survey

    Read more on cold hydrogen gas in the Milky Way galaxy
  • SARAO’s Big Data Africa School focusses on Earth Observation in equipping African students with data science skills needed for a changing climate and environment

    The South African Radio Astronomy Observatory (SARAO) successfully hosted its 5th Big Data Africa School at the Sun Square Hotel in Cape Town from 10 to 15 March 2025.

    Discover How 26 Students Harnessed Earth Observation & AI to Tackle Climate Challenges

Pioneers of Radio Astronomy

The Square Kilometre Array, built in South Africa, will be the largest radio telescope ever built and will produce science that changes our understanding of the universe. NRF/SARAO is responsible for managing all radio astronomy initiatives and facilities in South Africa, including the MeerKAT Radio Telescope, Geodesy and VLBI activities.

Programmes and Opportunities

Featured News

Discover the latest breakthroughs, discoveries, and updates — exploring the universe’s wonders and advancing the frontiers of science.

SARAO’s Video Archives – Watch, Learn, Explore

Engaging content on SARAO’s research, telescope operations, and cosmic discoveries—explore interviews, updates, and stunning visuals

SARAO People: Meet the experts behind SARAO—the minds driving innovation in radio astronomy and shaping the future of science.

Cutting-edge technological advancements

SARAO Science: Discover the science driving SARAO’s world-class research

A close-up view of a single MeerKAT radio telescope dish in the Karoo, reflecting sunlight against a backdrop of rugged terrain, symbolizing cutting-edge astronomical research

The South African MeerKAT radio telescope, situated 90 km outside the small Northern Cape town of Carnarvon, is a precursor to the Square Kilometre Array (SKA) telescope and will be integrated into the mid-frequency component of SKA Phase 1. The MeerKAT telescope is an array of 64 interlinked receptors (a receptor is the complete antenna structure, with the main reflector, sub-reflector and all receivers, digitisers and other electronics installed). Discover how the MeerKAT telescope is built.

SARAO Hartebeesthoek Site is located west of Johannesburg, South Africa. built in 1961 by the National Aeronautics and Space Administration (NASA) of the United States of America. An 85 foot = 26 metre diameter antenna was used to get data from, and send commands to, many unmanned US space probes going beyond Earth orbit. Discover Astronomy Instruments in Hartebeesthoek Site

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