Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.

For more than a century, physics has treated space and time as the smooth stage on which the universe unfolds, a flexible fabric that bends but never breaks. A new wave of theories is now challenging ...

Imagine a future where Earth becomes unshackled from the Sun’s gravitational pull and flies off into the void. And around three months later, it is violently torn apart in the space of a few minutes, ...