Atmospheric leptons receive steady interest from several scientific communities. At low and intermediate energies, atmospheric neutrinos are the signal for studies of fundamental neutrino properties and at high energies, they […]

The Gaia Mission - Overview, First Results, and future prospects The astrometric satellite Gaia was launched in December 2019. After a comprehensive commissioning phase Gaia began its nominal scientific measurements […]

The Astrophysics of BH-BH/NS-NS Mergers with LIGO/Virgo I will discuss the astrophysical importance of the recent LIGO/Virgo direct detections of gravitational-waves. Despite majority of the expectations, it was not neutron […]

The gravitational wave detection of a binary neutron star merger: expectations, surprises, and prospects On August 17, 2017, Advanced LIGO & Virgo detected gravitational waves from a binary neutron star […]

A new era in multi-messenger astronomy With the recent discoveries of gravitational waves and high-energy cosmic neutrinos, we are witnessing the beginning of a new era in Multi-Messenger astronomy. The […]

Overview of Athena and the Wide Field Imager The Advanced Telescope for High-Energy Astrophysics will be ESA's next large X-ray observatory. While the launch date (2028) seems far, the community […]

SVOM - Space-based multiband astronomical Variable Objects Monitor The Chinese-French space mission SVOM (Space-based multi-band astronomical Variable Objects Monitor) is mainly designed to detect and localize Gamma-Ray Burst events (GRBs). […]

Survival in galaxy clusters: from ultra-diffuse to ultra-compact objects The diversity of low-mass cluster galaxies in terms of their size and stellar content is striking. So-called ultra-diffuse galaxies residing in […]

Dark matter searches with gamma rays The Fermi Large Area Telescope has during its almost 10 years of mission time revolutionized our understanding of the gamma-ray sky. It enabled, e.g., […]