Many of the most basic and important physical phenomena are determined by a set of “fundamental constants”, whose values are experimentally known to high...

Blazars, Active Galactic Nuclei (AGN) whose relativistic jets point in the direction of the Earth, dominate the VHE (VHE, E>100 GeV) gamma-ray extragalactic sky...

The large amount of mass and angular momentum carried by disc winds makes them key processes to understand accretion onto compact objects, such as black holes...

Among the myriad discoveries presented in the second data release of the Gaia mission, there was an enigmatic color-magnitude diagram (CMD) of Milky Way halo...

There is increasing evidence that single-star evolutionary models are unable to reproduce all of the observational properties of massive stars. Binary...

The amount and complexity of data delivered by modern galaxy surveys has been steadily increasing over the past years. New facilities will soon provide imaging...

The long-standing difference in chemical abundances determined from optical recombination lines and collisionally excited lines raises questions about our...

The cosmic evolution of the barred galaxy population provides key information about the secular evolution of galaxies and the settling of rotationally dominated...