Illustration realized in the framework of a collaboration between the Image/Recit option of the HEAD (Haute École d'Art et de Design) - Genève and the Faculty of Sciences of the University of Geneva.

When glancing at the night sky, we admire the arabesques of distant galaxies.... click to read more

Illustration realized in the framework of a collaboration between the Image/Recit option of the HEAD (Haute École d'Art et de Design) - Genève and the Faculty of Sciences of the University of Geneva.

What is a galaxy? The common conception of a galaxy, in which it... click to read more

A large fraction of the stars of the present-day Universe is enclosed in giant, round-shaped galaxies, called “ellipticals”. Elliptical galaxies host very old stars, formed more than 10 billion years ago when the universe was still young. Despite the large availability of gas (the fuel... click to read more

What's out there? It's a fundamental but fascinating question in space science. Back in 1969, we managed to first travel to our neighbour, the Moon, and explore it. However, the whole picture is much more complex as most objects in the Universe are too far... click to read more

In 1933, Fritz Zwicky, observing the Coma galaxy cluster, noted that single galaxies were moving too fast for the cluster to remain bound, according to the measure of visible mass. Only a far more significant amount of invisible matter could explain the strong gravitational force... click to read more