It’s one of the most memorable moments of my career – and not in a good way. I was giving a talk to a room packed full of eminent astrophysicists, but there had been a bit of a childcare crisis, so ...

For nearly a century, dark matter has existed as a powerful idea rather than a directly observed substance, inferred from the way galaxies spin and clusters bend light but never actually seen. Now a ...

Two fresh ideas are giving scientists new ways to think about how the universe’s hidden mass came to be. Together, they paint a richer picture of dark matter’s origins and how we might still discover ...