Dark Matter and Its Taste Preferences
The cosmos is filled with invisible dark matter, which betrays itself only through gravity. Its existence was suspected by Fritz Zwicky and confirmed by Vera Rubin.
Dark Champagne: What Pulsars Revealed About the Phase Transition
In the first moments after the Big Bang, the Universe was like a supercooled bottle of champagne. In addition to ordinary matter, it concealed a dark sector — an invisible sparkling “wine” of fields and particles, candidates for dark matter.