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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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.

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.

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.