In an article published in Communications Physics, researchers from the Université libre de Bruxelles and the Institute for Quantum Optics and Quantum Information in Vienna present a new framework for ...

VLBI is the only technology that permits determination of positions on Earth with a direct relationship to a celestial reference system. The International Celestial Reference Frame (ICRF) is an ...

The surface of Earth is constantly being reshaped by earthquakes, volcanic eruptions, landslides, floods, changes in sea levels and ice sheets and other processes. Since some of these changes amount ...