Over the past decade multi-wavelength observations have revealed the extraordinary ubiquity and diversity of star formation in galaxies, ranging over billionfold ranges in star formation rates

Only about a hundred years ago astronomers came to recognize cosmic explosive events. What was once termed as Stella Nova are now divided into two major families, novae and supernovae (with real

It has recently been shown that in addition to describing black holes, gravitational waves, and other gravitational phenomena, general relativity can also describe aspects of nongravitational

The James Webb Space Telescope, the planned successor for the Hubble Space Telescope and the Spitzer Space Telescope, is making excellent technical progress. It will carry four instruments to

La spintronique, qui exploite l’influence du spin sur la conduction électrique et prend racine dans des recherches fondamentales sur les propriétés de transport des métaux ferromagnétiques, s

Cet exposé s'adressant à un public de spécialistes, montrera en quel sens le modèle standard et la renormalisation conduisent à une modification de l'idée naïve de la géométrie de l'espace temps.