The discovery that short peptides can form spontaneously on cosmic dust hints at more of a role for them in the earliest stages of life’s origin, on Earth or elsewhere.

A new computer program fashioned after artificial intelligence systems like AlphaGo has solved several open problems in combinatorics and graph theory.

While watching a fearful memory take shape in the brain of a living fish, neuroscientists see an unexpected level of rewiring occur in the synaptic connections.

Dynamical systems can be chaotic and impossible to predict, but mathematicians have discovered tools to help understand them.

Physicists are reexamining a longstanding assumption: that big stuff consists of smaller stuff.

When astronomers tried to confirm a signal from the birth of the first stars after the Big Bang, they saw nothing.

For the first time, experiments demonstrate the possibility of sharing secrets with perfect privacy — even when the devices used to share them cannot be trusted.

A 3D digital model of a “minimal cell” leads scientists closer to understanding the barest requirements for life.

Celia Escamilla-Rivera is combining large data sets with supercomputers to test general relativity against its little-known competitors.