Learn more about the H.E.S.S. telescopes
Find out how imaging atmospheric Cherenkov telescopes work and how they are used to study high-energy gamma rays from the Universe.
THE HIGH ENERGY STEREOSCOPIC SYSTEM
An international collaboration to explore the high-energy frontiers of the Universe
23 years of world-class science
and more to offer
Probing the Universe at High Energies in the Southern Hemisphere.
Gamma-ray telescopes
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With the release of our new web pages, we are proud to announce that we’re also bringing back, after a 2-year hiatus, the much-loved H.E.S.S. Source of the Month. In...
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Today marks the official release of our new web pages – we hope that you like them! Here, you can learn about what H.E.S.S. is, find out where H.E.S.S. members...
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This month, the second H.E.S.S. Collaboration Meeting in 2025 took place. To enable easy participation and reduce environmental impact due to travel, it was organised purely as an online meeting....
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H.E.S.S. News
We regularly publish news on our website – browse through the News Archive to find older News items!
H.E.S.S. Source of the Month
(Almost) every month a TeV gamma-ray source investigated with the H.E.S.S. telescopes is featured. Which one is your favourite?
See also the H.E.S.S. Science page for a general overview of the physics we do with H.E.S.S. and the types of sources we study.
Check Out the SCIENCE WE DO WITH H.E.S.S.
Dive into the scientific research we perform using the H.E.S.S. telescopes!
Contact us
The H.E.S.S. telescopes are located in the Khomas Highland of Namibia, on the Farm Göllschau, about 100 km south-west of Windhoek, Namibia’s capital. The exact location is 23o16’18” S, 16o30’00” E, at 1800m above sea level.
