When NASA’s James Webb Space Telescope turned toward interstellar comet 3I/ATLAS in August 2025, astronomers were looking for ...

For more than a century, physics has treated space and time as the smooth stage on which the universe unfolds, a flexible ...

Discover how search theory illuminates market frictions, affecting employment, pricing, and transactions. Learn its ...

String theory attempts to unify all forces and particles in the universe using vibrating strings. It aims to explain the Standard Model of particle physics, which is incomplete. String theory predicts ...

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called "Is the end in sight for theoretical physics?" Forty-five years later, ...

The original version of this story appeared in Quanta Magazine. String theory captured the hearts and minds of many physicists decades ago because of a beautiful simplicity. Zoom in far enough on a ...

No need for niches? Neutral theory explains biodiversity when species are identical. Niche differences, or the unique ways that each species “makes its living” in nature, are the classical explanation ...

The particles and antiparticles of the Standard Model obey all sorts of conservation laws, with fundamental differences between fermionic particles and antiparticles and bosonic ones. The final piece ...