A simple picture of how accretion disks might power brilliant gamma rays and cosmic jets

How a simple, Earth‑centered geometry tried to explain one of the sky’s biggest mysteries

A bold theory links the universe’s brightest flashes to gravity pushed to its absolute limits

Early microwave-sky maps hint at heavyweight threads in space—and how they might have helped build galaxies

How a swirling disk can park a small companion into a steady orbit—and turn it into a constant gravitational-wave beacon