Archive

The astrophysicist Tracy Slatyer is searching for faint wisps of dark matter annihilating in the early universe — and perhaps in hiding places closer to home.

The infamous case of Typhoid Mary underscores the importance of tolerance in understanding disease.

Scientists have developed new ways to forecast who will bounce back from disease by studying not just the way the immune system fights infections, but how the body repairs itself.

An RNA molecule that can make copies of a variety of RNAs adds new support to the RNA-world theory.

Irrationality may be a consequence of the brain’s ravenous energy needs.

The absence of supersymmetry particles at the Large Hadron Collider has settled a 16-year-old bet among physicists.

Why is it that when you walk randomly, the more you walk, the farther you get from your starting point?

The subtle mechanics of densely packed cells may help explain why some cancerous tumors stay put while others break off and spread through the body.

A discrepancy in the measured size of the “deuteron” increases the chance that something is amiss in our understanding of atoms.