How ground telescopes could spot heavy, invisible particles by catching their gamma-ray fingerprints

A clever twist on gravitational microlensing turns fuzzy galaxy light into a detector for hidden objects

Simulations explain the faint, far‑reaching X‑ray glow around the star‑forming galaxy M82

How a 1990s satellite found tiny temperature bumps that became the seeds of galaxies—and boosted ideas like inflation and dark matter

A fresh look at the cosmic microwave background hints at a powerful early-universe event — and pegs its energy near grand-unification scales