Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

The question of whether the cosmos goes on forever is no longer just a late night thought experiment, it is a live research problem that cuts to the heart of modern physics. Astrophysicists are using ...

There may be an infinite amount of energy locked in the vacuum of space-time. So could we ever harness this energy for anything useful? The idea of vacuum energy comes from quantum field theory, which ...

The universe comes with a built‑in speed cap, a hard limit that shapes everything from how stars shine to how cause and ...