The Bulgarian Academy of Sciences hosted the XII National Geophysical Conference with international participation which was held under the title "New Challenges in Geophysics" on 29 and 30 September at the “Prof. Marin Drinov” Hall. On behalf of the leadership of BAS, the conference was addressed by Corr. Memb. Daniela Jordanova, scientific secretary of the division. Over 40 scientists from the National Institute of Geophysics, Geodesy and Geography (NIGGG) – BAS, the Institute of Information and Communication Technologies - BAS, "St. Ivan Rilski" University of Mining and Geology, Sofia University “St. Kliment Ohridski”, the University of Architecture, Civil Engineering and Geodesy, as well as guest speakers from Great Britain, Austria and Sweden presented their research in the field of seismology, remote sensing, paleo- and archaeomagnetism [...]