Dark matter in galaxy clusters is behaving oddly and we don’t know why
By Leah Crane Galaxy clusters like this one bend light far more than our models predictUPI / Alamy Something doesn’t look quite right in clusters of galaxies. The structure of…
Ancient serene galaxy suggests the early universe was eerily calm
By Leah Crane Gravitational lensing makes a distant galaxy look like a coffee ringALMA (ESO/NAOJ/NRAO), Rizzo et al. A strangely sedate galaxy in the early universe may upend our ideas…