News about Astrophysics

Nobel Prize in Physics goes to IceCube pioneer Francis Halzen

The 2026 Nobel Prize in Physics goes to Francis Halzen “for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin.”

Supernova or black hole? Ghost particles’ “flavor” may determine the fate of dying stars

New research from the University of Copenhagen suggests that previously overlooked property of ghost particles may be a key part of the explanation for why some stars explode, while others collapse into black holes.

Breakthrough in unusual galaxy may help unravel the mystery of dark matter

For the first time, researchers have discovered a globular cluster stellar stream in a galaxy beyond the Milky Way – specifically in an ultra-diffuse galaxy.

Marcelo Barraza-Alfaro joins NBIA as MSCA Fellow

Marcelo earned his PhD in July 2022 from the Max Planck Institute for Astronomy in Heidelberg, followed by a three-year postdoctoral associate position at the Massachusetts Institute of Technology. Marcelo will join the…

A new model for dark energy rewrites the fate of the Universe

New study based on six years of data from the Dark Energy Survey challenges the standard cosmological model - could force a rethink of what drives the accelerating expansion of the Universe.

Andrew Chael receives Villum Young Investigator Grant

Andrew Chael was most recently an associate research scholar at the Princeton University Gravity Initiative. He previously held a NASA Einstein Fellowship at the Princeton Center for Theoretical Science. He received his…

Lucía Vélez Tartajo Wins Best Oral Presentation Award at the MSc Student Symposium

Each year, the Niels Bohr Institute hosts the MSc Student Symposium, an event where master’s students present their research projects and thesis work to their peers.

A Guided Tour Into a Black Hole

On Tuesday, 24 March, Center of Gravity (CoG) members Ariadna Ribes Metidieri, Leart Sabani, and Lucía Vélez Tartajo took part in the first outreach event organized by the Center of Gravity: a public talk at the Tycho…

Two CoG Members Receive Marie Skłodowska-Curie Individual Fellowships

Two CoG members, Brian Seymour and Emil Have, have been awarded prestigious Marie Skłodowska-Curie grants which support outstanding researchers and aims to encourage mobility across the European Union.

Kai Hendriks Successfully Defends his Thesis

On March 13th, Kai Hendriks successfully defended his PhD thesis in the historic Auditorium A of the Niels Bohr Institute.

Jaime Redondo-Yuste Successfully Defends his Thesis

Jaime Redondo-Yuste successfully defended his thesis on Friday March 6th. He presented his work on Nonlinear Dynamics in General Relativity in the historic Auditorium A, summarizing his work on black hole and neutron…

Sold-out Black Holes event at Vin & Videnskab

On Wednesday February 25, 2026, Professor Marianne Vestergaard (DARK, Niels Bohr Institute) gave a presentation on supermassive black holes at a sold-out event of Vin & Videnskab, organized by the National Museum of…

Troels Harmark Discusses Art and Science at the Opening of Black Hole Artwork at ARoS

On March 6, 2026, artist Cecilie Waagner Falkenstrøm debuted her new interactive art installation “A black hole calling us” at the ARoS art museum in Aarhus which also inaugurated the new art square outside the museum.

Contact: CoG Meets ET

CoG group leaders represented the scientific front of gravitational wave physics at a danish delegation to the Einstein Telescope (March 2–3, 2026), joined by politicians, ambassadors and fellow scientists from around…

A Night at Brorfelde Observatory

Assistant professor Sarah Pearson (DARK, NBI) recently visited Brorfelde Observatory with Politiken’s science editor Lasse Foghsgaard.

Juno Chan Successfully Defends his Thesis

On 27 February, Juno Chan successfully defended his PhD thesis at the Niels Bohr Institute. His dissertation, From Searches to Inference: Towards the Discovery of Lensed Gravitational Waves, explores how gravitational…

Kathrine Mørch Groth receives a Villum International Postdoc grant to create an overview of neutrino sources in the Universe

Grant awarded for research project: Mapping the sources of neutrinos – the mysterious particles that bombard us without us ever noticing.

James Webb finds surprisingly mature galaxies in early cosmic megastructure

Danish astronomy student leads new research: Some of the heaviest galaxy groups in the universe have evolved faster than expected.

Copenhagen researchers make the front page of Nature: Solving the mystery of the universe's ‘little red dots’

Since the James Webb Space Telescope (JWST) went into operation, red dots in its images have puzzled researchers around the world. Now, researchers from the University of Copenhagen have explained these enigmatic…

Copenhagen researchers make the front page of Nature: Solving the mystery of the universe's ‘little red dots’

Since the James Webb Space Telescope (JWST) went into operation, red dots in its images have puzzled researchers around the world. Now, researchers from the University of Copenhagen have explained these enigmatic…

How Many Ghost Particles All the Milky Way’s Stars Send Towards Earth

Every second, a thousand billion of the elusive ghost particles, the neutrinos, pass straight through your body. Now, astrophysicists from the University of Copenhagen have mapped how many ghost particles all the stars…

How Many Ghost Particles All the Milky Way’s Stars Send Towards Earth

Every second, a trillion of the elusive ghost particles, the neutrinos, pass straight through your body. Now, astrophysicists from the University of Copenhagen have mapped how many ghost particles all the stars in the…

Development History of the Universe is Being Rewritten Based on a Bachelor’s Project from NBI

The largest structures in the universe are galaxy clusters—groups of galaxies held together by gravity. Their developmental history is now being rewritten—thanks to a student’s bachelor project.

International collaboration honored with prestigious Into Change Award for uncovering the cosmic origin of heavy elements

Professor Darach Watson of the Cosmic Dawn Center at the Niels Bohr Institute, University of Copenhagen, is among six leading European scientists recognized with the inaugural Into Change Award, one of Europe’s largest…