Grégor Rauw, Université de Liège

Among the stellar populations of our Galaxy, stars with masses above 10 solar masses are...

Thomas H. Reiprich, Argelander-Institut für Astronomie, Universität Bonn

Almost half of the normal matter in the local Universe is still...

Julien Wolf, Max Planck Institute for Extraterrestrial Physics

Quasars constitute an ultra-luminous subspecies of active galactic nuclei (AGN).

Francesco Ursini¹, Giorgio Matt¹ & Pierre-Olivier Petrucci²

(1) Roma Tre University

(2) IPAG

While all galaxies...

Elisa Costantini (SRON, Netherlands)

Dust is everywhere in the Universe, from stellar disks that eventually form planets and life to...

Francesca Chadha-Day, Durham University

String theory is a theory of quantum gravity.

François Mernier¹ & Edoardo Cucchetti²

(1) ESA/ESTEC

(2) CNES

As Carl Sagan famously observed, “We are made of star-stuff”.

Diego F. Torres, ICREA - Institute of Space Sciences

Even though pulsars are best-known for their periodic pulses, their pulsed...