Issues

A cloud of ultracold ions can lower the temperature of a trapped proton 9 cm away.

Geophysical and oceanographic observations establish how a deep magma chamber fueled an extraordinary eruption.

The heavy-fermion crystal combines properties of systems that have inversion symmetry and of those that break it.

Can steps like less travel and more talk advance science and serve as an example to the public?

The department says the Versatile Test Reactor is vital to the future of the US nuclear industry. Critics say it is duplicative and that industry should help pay for it.

The behavior of extremely dim galaxies provides stringent constraints on the nature of dark matter. Establishing those constraints depends on precise stellar-motion measurements.

Although the question is a classical problem, the details of how wind transfers energy to waves at the ocean surface remain elusive.

The contradictory implications of statistical mechanics have worried physicists and philosophers for centuries. Does our present-day knowledge allow us to exorcize those philosophical demons?

A newly discovered mechanism can help keep the world’s fastest jets from overheating.