By Christian Kirsch

The Athena/X-IFU is a very ambitious instrument, combining several advanced subsystems

By Sibasish Laha

Outflows from active galactic nuclei (AGNs) are one of the fundamental mechanisms

By Javier A. García

Accreting black holes and neutron stars share many similarities when observed

By Anna Juráňová

X-ray spectra of many variable active galactic nuclei (AGNs) show absorption features