This is the story of comet Ison that astronomers were so excited about but which burned up in the heat of the sun. However, the disappearance of the comet was not without interest for astronomers.

Measuring a billion stars... for a billion euros! That’s what Gaia aims at achieving on its mission to survey and chart a 3-D map of a few percent of our galaxy.

A liquid mirror telescope is to be assembled in India following four years of research and development at the University of Liège in collaboration with different institutes in Belgium, Canada, India and Poland. By detecting quasars and gravitational lenses , it will enable us to gain a better understanding of our universe.

The study of around forty stars has shown that the Zodiacal light phenomenon is relatively common in solar-type systems. This could be a clue to the presence of planets in these systems.

How do the stellar winds surrounding massive stars behave? Research by Yaël Nazé has contributed to a better understanding of this phenomenon.