Topic · 12 stories
Dark matter
Dark matter is invisible material that outweighs ordinary matter roughly five to one, yet its nature remains unknown. How it is being hunted: gravitational lensing, galaxy motions, detectors and new theories.
Articles
Micro-tidal star disruptions outnumber black hole mergers
INTEGRAL Limits the Share of Primordial Black Holes
JWST sets first primordial black hole limits toward M31
Roman Space Telescope launches toward L2 on five-year mission
This Actually Exists — The Cusp-Core Problem
Early Universe galaxies formed their stars in 30 million years
The Magellanic Clouds Are Heating Half the Sky
A Sub-Solar Gravitational Wave: A Hint of Primordial Black Holes?
The Milky Way Is Off-Balance — and We've Measured It
The Dark Fate of Dwarf Galaxies: Collapse From Within