Readers poked holes in our paradoxical April Fools’ Day claims about perpetual energy and whether this puzzle solution would ever be published.

Studies of collective behavior usually focus on how crowds of organisms coordinate their actions. But what if the individuals that don’t participate have just as much to tell us?

After translating some of math’s complicated equations, researchers have created an AI system that they hope will answer even bigger questions.

It took Lisa Piccirillo less than a week to answer a long-standing question about a strange knot discovered over half a century ago by the legendary John Conway.

A lizard that both lays eggs and gives birth to live young is helping scientists understand how and why these forms of reproduction evolved.

Vesselin Dimitrov’s proof of the Schinzel-Zassenhaus conjecture quantifies the way special values of polynomials push each other apart.

Newly discovered worlds of microbes far beneath the ocean floor, inside old basaltic rocks, could point to a greater likelihood of life elsewhere in the universe.

Anyons don’t fit into either of the two known particle kingdoms. To find them, physicists had to erase the third dimension.

Einstein’s equations describe three canonical configurations of space-time. Now one of these three — important in the study of quantum gravity — has been shown to be inherently unstable.

Previous