Issues

The mantle today reprocesses volatile substances from the crust and surface. But for billions of years, that wasn’t the case.

In a confined environment, ants divide labor to optimize nest excavation.

A miniature mechanical sensor works by repeatedly dropping and catching a particle.

With few of its own hard-rock resources, the US may be forced to develop nontraditional sources of the essential metals.

The promise of multimessenger astronomy drives the field, brings together scientific communities.

Although the second African American to receive a physics PhD in the US faced obstacles because of his race, he blazed trails in spectroscopy and pedagogy.

News from multiple messengers—neutrinos, cosmic rays, and photons—provides clues to the cosmic sources that create some of the most energetic particles observed on Earth.

What’s behind a writer’s rare choice to make a physicist a main character?

When cool air near the ground is trapped beneath a layer of warmer air, pollution can reach unhealthful levels.