Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...

The same phenomenon was later confirmed for neutrons, helium atoms, and even large molecules, making matter-wave diffraction ...

Experiments reveal that metallic nanoparticles thousands of atoms wide can exist in quantum superposition, providing a ...

Belgian prodigy Laurent Simons, 15, earns a PhD in quantum physics, now pursuing a second PhD in AI to study human longevity, ...

A new unified theory connects two fundamental domains of modern quantum physics: It joins two opposite views of how a single ...

Electrons are usually described as particles, but in a rare quantum material, that picture completely breaks down ...

Light and matter can remain at separate temperatures even while interacting with each other for long periods, according to ...

For more than a century, modern physics has rested on two towering frameworks that do not quite agree with each other.

Can two versions of reality exist at the same time? Physicists say they can — at the quantum level, that is. Featuring new ...

At just 15, Belgian prodigy Laurent Simons earned a PhD in quantum physics, demonstrating exceptional academic prowess. He ...

Columnist Natalie Wolchover checks in with particle physicists more than a decade after the field entered a profound crisis.

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. This year is the International Year of Quantum Science and Technology, according to ...