First reported in 1912 by Austrian physicist Victor Hess, cosmic rays were discovered after a series of balloon ascents meant to explore ionizing radiation that was first detected on an ...

The atmosphere interferes with cosmic rays, so for the purest measurements, scientists often send instruments aboard balloons—starting with Victor Hess’ famous 1912 flight above Paris.

Victor Franz Hess, an Austrian physicist, discovered cosmic rays in 1912, and won a Nobel Prize for this work in 1936. Moreover, working with Günther & Tegetmeyer, an instrument firm in Braunschweig, ...

Why It Matters — One hundred ten years after physicist Victor Hess discovered cosmic rays by carrying scientific instruments 5,300 meters into the sky in a hot air balloon, we understand these ...

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before seen.

From What’s The Universe’s Strongest Particle Accelerator? Season 10 Episode 11 | 12m 51sVideo has Closed Captions| CC We only recently figured out where cosmic rays are coming from.

Scientists with the HESS Observatory have identified the most energetic cosmic electrons ever observed. What could this mean for our understanding of the universe?

After a series of balloon ascents meant to explore ionising radiation that was first detected on an electroscope, cosmic rays were discovered, first reported in 1912 by Austrian physicist Victor Hess.