Every year, Santa Claus races around the globe in a matter of hours to bring presents to children all over the world.

Laurent Simons, 15, already earned a PhD in quantum physics, aiming to extend human life with ultracold science and AI ...

In the past year, two separate experiments in two different materials captured the same confounding scenario: the coexistence ...

A new theory of "dark photons" attempted to explain a centuries-old experiment in a new way this year, in an effort to change ...

Classical Mechanics:** Newton’s second law (F = ma) explains the relationship between force, mass, and acceleration. The law ...

Physicists spotted a “terribly exciting” new black hole, doubled down on weakening dark energy, and debated the meaning of ...

Physics World is delighted to announce its Top 10 Breakthroughs of the Year for 2025, which includes research in astronomy, antimatter, atomic and molecular physics and more. The Top Ten is the ...

More than 200 years ago, Count Rumford showed that heat isn’t a mysterious substance but something you can generate endlessly ...

A new technique allows complex interactions in materials to be simulated using Monte Carlo simulations thousands of times ...

In preparation for the transition of KJSEA candidates to senior schools, the Kenya Institute of Curriculum Development (KICD) on Tuesday, December 23, 2025, published a list of approved Curriculum ...

Discover what the next wave of AI-assisted drug discovery looks like and how it can help biotech - the AI and physics combo.

Try our fun new interactive end-of-year quiz, which is (mostly) based on stories and events covered in Physics World. Compiled by Colin White. How well have you been following events in physics? There ...