• Strange neutron star spinning every 76 seconds is discovered in stellar graveyard

    An international team of scientists have discovered a strange radio emitting neutron star, which rotates extremely slowly, completing one rotation every 76 seconds.

    Find out more
  • Local impact study of HERA telescope shows direct benefits of radio astronomy infrastructure in South Africa’s Northern Cape province

    The South African Radio Astronomy Observatory (SARAO) has undertaken a local impact study of South Africa’s hosting of the Hydrogen Epoch of Reionization Array (HERA). The HERA telescope is an array of 350 antennas situated next to the MeerKAT radio telescope on the site that hosts the Square Kilometre Array (SKA) in the Northern Cape province.

    Find out more
  • 2022 Africa Data Science Intensive Programme projects find sustainable solutions to real world problems

    An exciting project involving a plant disease classifier and detection tool was the winning presentation at the third Africa Data Science Intensive (DSI) Programme which took place from 9 to 13 May 2022 in Paarl.

    Find out more
  • Megamaser “Nkalakatha” discovered by astronomers using MeerKAT

    Using the MeerKAT radio telescope, a team of researchers from the University of the Western Cape, the University of Cape Town, Rhodes University, the South African Radio Astronomy Observatory and the South African Astronomical Observatory together with colleagues from 12 other countries have discovered a powerful megamaser – a radio-wavelength laser indicative of colliding galaxies. This is the most distant such megamaser found so far.

    Find out more
  • Closing the skills gap for young researchers through innovative entrepreneurship training

    Young astronomy researchers have the opportunity to learn skills that will allow them to bridge the gap between academia and launching their careers in the workforce. Skilled, Innovative and Entrepreneurial Scientists (SKIES) is an ambitious project that offers training for astronomy researchers (PhD candidates and young postdoctoral researchers) in developing new skills, integrating Open Science, innovation and entrepreneurship.

    Find out more
  • Fast and furious: A shock wave that extends for 6.5 million light years

    An international team of astronomers made the most detailed images of the largest cosmic shock wave visible from earth. These gigantic shock waves are much larger than our entire galaxy and they form when clusters of galaxies collide in what are the most energetic events after the Big Bang.

    Find out more
  • New MeerKAT radio image reveals complex heart of the Milky Way

    The South African Radio Astronomy Observatory (SARAO) has released today a new MeerKAT telescope image of the centre of our Galaxy, showing radio emission from the region with unprecedented clarity and depth. The international team behind the work is publishing the initial science highlights from this image in The Astrophysical Journal. The article is accompanied by a public release of the data to the worldwide astronomical community for their further scientific exploration.

    Find out more
  • Radio evidence of a minor merger in the Shapley Supercluster

    A group of radio astronomers led by the Italian National Institute of Astrophysics has conducted a multi-frequency and multi-band study of the Shapley Supercluster, where the formation of large structures is ongoing at the present cosmological age. Radio astronomers have discovered a radio emission that acts as a “bridge” between a cluster of galaxies and a group of galaxies.

    Find out more
  • MeerKAT discovers mystery clouds

    An international team led by astronomers Professor Gyula Józsa, Professor Michelle Cluver, and Professor Thomas Jarrett has utilized the South African MeerKAT radio telescope to discover a mysterious chain of hydrogen gas clouds the size of a massive galaxy.

    Find out more
  • Large MeerKAT Data Release Reveals Beautiful New Cosmic Puzzles

    An international team led by a young South African researcher has just announced a comprehensive overview paper for the MeerKAT Galaxy Cluster Legacy Survey (MGCLS). The paper to be published in the Astronomy & Astrophysics journal presents some exciting, novel results, and is accompanied by the public release of a huge trove of curated data now available for astronomers worldwide to address a variety of challenging questions, such as those relating to the formation and evolution of galaxies throughout the universe.

    Find out more
  • Telescope built by Karoo locals releases data to astronomers around the world

    The HERA telescope, an array of 350 antennas situated next to MeerKAT in the Northern Cape province of South Africa, is being built by a team of local artisans from the town of Carnarvon.

    Find out more
  • MeerKAT discovers large gas-rich galaxy group hiding in plain sight

    A group of 20 galaxies has been discovered with South Africa’s MeerKAT telescope.

    Find out more
  • Green light given for construction of world’s largest radio telescope arrays

    At a historic meeting of its Council last week, the recently formed SKA Observatory (SKAO) saw its Member States approve the start of construction of the SKA telescopes in Australia and South Africa.

    Find out more
  • MeerKAT’s stunning image reveals cosmic threads, ribbons and rings

    A new study using the MeerKAT radio telescope has produced a striking image showing a combination of cosmic features never before seen, revealing unexpected details of the inner workings of enormous radio galaxies.

    Find out more
  • Request for expressions of interest to participate in a BBBEE equity opportunity

    The South African Radio Astronomy Observatory (SARAO) hereby invites potential BBBEE partners to express interest in collaborating with SARAO in a BBBEE equity opportunity.

    Find out more
  • South Africa’s MeerKAT radio telescope discovers 8 new millisecond pulsars

    Using the sensitivity of one of the SKA precursor telescopes, a group of radio astronomers led by INAF explored the central regions of some globular clusters in search of very weak pulsars

    Find out more
  • Ultra-sensitive radio images reveal thousands of star-forming galaxies in early Universe

    An international team of astronomers has published the most sensitive images of the Universe ever taken at low radio frequencies, using the International Low Frequency Array (LOFAR).

    Find out more
  • SKAO is born – Launch of international Observatory signals new era for radio astronomy

    SKAO Global Headquarters, Jodrell Bank, UK, Thursday, 4 February 2021 – The SKA Observatory, a new intergovernmental organisation dedicated to radio astronomy, was launched today following the first meeting of the Observatory’s Council.

    Find out more
  • Gigantic galaxies discovered with the MeerKAT telescope

    Two giant radio galaxies have been discovered with South Africa’s powerful MeerKAT telescope. These galaxies are amongst the largest single objects in the Universe and are thought to be quite rare.

    Find out more
  • South Africa ratifies SKA Observatory Convention

    Pretoria, South Africa, 1 June 2020 – South Africa, the future home of the SKA’s mid-frequency telescope, has ratified the Convention Establishing the SKA Observatory after the South African Parliament approved the Convention and Dr Naledi Pandor, Minister of the Department of International Relations and Cooperation, signed the Instrument of Ratification.

    Find out more
  • South Africa’s MeerKAT solves mystery of ‘X-galaxies’

    A team of astronomers from South Africa and the US have used the MeerKAT telescope to solve a longstanding puzzle in ‘X’-shaped radio galaxies.

    Find out more
  • Astronomers stumble upon unexpected features in a distant galaxy using MeerKAT data

    An international team of astronomers has uncovered unusual features in the radio galaxy ESO 137-006 using MeerKAT data.

    Find out more
  • MeerKAT and SALT combine to solve mystery stellar event

    Scientists using the MeerKAT radio telescope and the Southern African Large Telescope have combined forces for the first time to discover and identify a unique and previously-unseen flare of radio emission from a binary star in our Galaxy.

    Find out more
  • South Africa’s MeerKAT discovers giant radio bubbles at centre of Milky Way

    An international team of astronomers using the MeerKAT telescope has discovered enormous balloon-like structures that tower hundreds of light-years above and below the centre of our galaxy.

    Find out more
  • South Africa’s MeerKAT discovers missing gas in distant galaxy

    Hydrogen gas (represented by green blobs) detected with SARAO’s MeerKAT radio telescope within and around the galaxy NGC 1316, visible at the centre of the image. The two hydrogen tails newly discovered with MeerKAT are visible in the upper and lower parts of the image (the curved arcs are added to guide the eye). Additional hydrogen clouds near NGC 1316 are also visible. The visible light image in the background is from the Fornax Deep Survey – a Dutch-Italian collaboration led by the University of Groningen and INAF – Naples – and was obtained with the VST telescope at the European Southern Observatory. (Adapted from results presented in Serra et al. 2019.)

    Find out more
  • SKA Consortium completes design of Science Data Processor

    International consortium of computing specialists complete the engineering design work of the Science Data Processor for the Square Kilometre Array Radio Telescope.

    Find out more
  • Vibrant young South African community poised to use MeerKAT telescope

    South African Radio Astronomy Observatory announces selection of 38 South African-led projects that will use the MeerKAT radio telescope.

    Find out more
  • Another milestone towards the construction of the SKA Radio Telescope in South Africa

    The Department of Science and Technology (DST) has welcomed the adoption of the Integrated Environmental Management Plan (IEMP) for phase one of the Square Kilometre Array (SKA) in South Africa.

    On Friday, 22 March 2019 the Minister of Environmental Affairs, Ms Nomvula Mokonyane, gazetted the adoption of the Integrated Environmental Management Plan (IEMP) for the Square Kilometre Array Phase 1 Mid-Frequency Array (SKA1_MID) in South Africa.

    Find out more

The SKA will be the largest radio telescope ever built and will produce science that changes our understanding of the universe. The SKA will be collocated in Australia and in Africa. In Africa the SKA will be built in South Africa and eight other African Countries. SKA South Africa (SKA SA) is responsible for the construction of the SKA in South Africa.

Strange neutron star spinning every 76 seconds is discovered in stellar graveyard

An international team of scientists have discovered a strange radio emitting neutron star, which rotates extremely slowly, completing one rotation every 76 seconds.

Local impact study of HERA telescope shows direct benefits of radio astronomy infrastructure in South Africa’s Northern Cape province

The South African Radio Astronomy Observatory (SARAO) has undertaken a local impact study of South Africa’s hosting of the Hydrogen Epoch of Reionization Array (HERA). The HERA telescope is an array of 350 antennas situated next to the MeerKAT radio telescope on the site that hosts the Square Kilometre Array (SKA) in the Northern Cape province.

2022 Africa Data Science Intensive Programme projects find sustainable solutions to real world problems

An exciting project involving a plant disease classifier and detection tool was the winning presentation at the third Africa Data Science Intensive (DSI) Programme which took place from 9 to 13 May 2022 in Paarl.

Megamaser Nkalakatha discovered by astronomers using MeerKAT

Using the MeerKAT radio telescope, a team of researchers from the University of the Western Cape, the University of Cape Town, Rhodes University, the South African Radio Astronomy Observatory and the South African Astronomical Observatory together with colleagues from 12 other countries have discovered a powerful megamaser – a radio-wavelength laser indicative of colliding galaxies. This is the most distant such megamaser found so far.