This image, captured by the Copernicus Sentinel-2 mission on 6 January 2026, shows Amsterdam in the Netherlands blanketed in snow.

<p>Do you enjoy working in an interdisciplinary research setting and do you want to be active in the area of gravitational-wave and multi-messenger astrophysics? The Gravitation and Astroparticle Physics Amsterdam (<a href="https://www.grappa.amsterdam/">GRAPPA</a>) Centre of Excellence at The University of Amsterdam is seeking to hire one assistant/associate professor. We are especially interested in candidates that can strengthen our connection to current and future gravitational-wave, neutrino, and electromagnetic observatories. We have a strong preference for a staff member who enhances the diversity of our staff and will prioritize applicants from members of underrepresented groups.</p>

Fixed-term: The funds for this post are available for 2 years in the first instance, with the possibility for extension up to one year. Applications are invited for a postdoctoral position at the

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Black hole expert follows in footsteps of Sir Arthur Eddington, Sir Fred Hoyle, and Lord Martin Rees in one of world's oldest named professorships.

Black hole expert follows in footsteps of Sir Arthur Eddington, Sir Fred Hoyle, and Lord Martin Rees in one of world's oldest named professorships.

In less than a century, the idea of black holes has gone from a concept so radical that even Einstein dismissed it to a cornerstone of modern astrophysics, shaping our understanding of spacetime and i...