We are the first generation of human beings able to directly
observe and study the cosmic era when the first galaxies and black
holes formed. Quasars are among the most luminous sources known and
can be studied in detail even during the first...
To-date attempts at identifying dark matter from its
non-gravitational interactions have come up empty. In the era of
big data cosmology an equally promising approach is to narrow down
the identity of dark matter from its gravitational
interactions...
In contrast with radio pulsars, the electric current flowing
outside a magnetar can approach in strength the internal current
supporting its magnetic field. Obtaining a self-consistent
description of this circuit is a pre-requisite for
understanding...
Data from the Gaia satellite are revolutionizing many fields of
astronomy. I will present two discoveries about white dwarfs: one
is an extreme cooling anomaly that produces a mysterious branch on
the HR diagram, and the other is the existence of...
Core-collapse supernovae (CCSN) are efficient laboratories to
explore physics beyond the standard model (SM). In particular, they
have been used to put strong constraints on axion and axion like
particles, and on many other motivated extensions of...
