It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A ...

Nanotube bridge networks grow between the most abundant photosynthetic bacteria in the oceans, suggesting that the world is ...

Evolution was fueled by endosymbiosis, cellular alliances in which one microbe makes a permanent home inside another. For the ...

Hypothetical devices that can quickly and accurately answer questions have become a powerful tool in computational complexity ...

The mathematician and author Steven Strogatz and the astrophysicist and author Janna Levin interview leading researchers about the great scientific and mathematical questions of our time.

Landmark results in geometry and number theory marked an exciting year for mathematics, at a time when advances in artificial intelligence are starting to transform the subject’s future. What Is ...

We look back at three of the biggest biology stories of 2024: a reconstruction of the ancient ancestor of all modern life, the discovery of a neural circuit that regulates the immune system, and ...

We look back at three of the biggest biology stories of 2024: a reconstruction of the ancient ancestor of all modern life, the discovery of a neural circuit that regulates the immune system, and ...

Exactly 200 years ago, a French engineer introduced an idea that would quantify the universe’s inexorable slide into decay. But entropy, as it’s currently understood, is less a fact about the world ...

Physicists discovered strange supersolids, constructed new kinds of superconductors, and continued to make the case that the cosmos is far weirder than anyone suspected. Will 2024 be remembered as a ...