Astronomers puzzled by galaxy that emits strong bursts of X-rays every nine hours.
On 10 July, CERN and the Astroparticle Physics European Consortium (APPEC) founded a new research centre for astroparticle physics theory called EuCAPT.
Adam Riess discusses intriguing discrepancies in the value of the Hubble constant.
Theorists at Durham University simulated the universe using hydrodynamical simulations in which a scalar field enhances gravitational forces in low-density regions.
Cold-atom interferometry could fill a gap in observational capability for gravitational waves in the intermediate-frequency band.
As two white dwarfs orbited one another they slowly lost momentum through the emission of gravitational waves.
The ALICE collaboration is now using the scattering between particles produced in collisions at the LHC to constrain interaction potentials in a new way.
"This book offers a well-balanced introduction to particle and astroparticle physics, requiring only a basic background of classical and quantum physics."
Christian Stegmann, director of DESY’s newly established research division for astroparticle physics, describes the ambitious plans ahead in this vibrant field.
On 10 April, researchers working on the Event Horizon Telescope released the first direct image of a black hole.