Issues

A precision measurement finds its equatorial bulge somewhat smaller than expected and seemingly unaffected by the solar cycle.

A gradient in channel depth can suppress the instability that occurs when a less viscous fluid invades a more viscous one.

In such a state, synchrony and asynchrony coexist among coupled oscillators.

The unidentified molecule’s reaction with sulfur dioxide has implications for climate and human health.

The GOP challenger would halt federal funding for technology commercialization. Both candidates have given short shrift to climate change.

Internationalizing the science community, encouraging creativity, and becoming a world research leader are the aims of an initiative in a country better known for its industry than for its science.

Emerging devices for measuring quantum phase offer a possible new window into phenomena far outside condensed-matter physics.

Friedmann, who died young in 1925, deserves to be called the father of Big Bang cosmology. But his seminal contributions have been widely misrepresented and undervalued.

Simple though admittedly speculative considerations explain why most of our galaxy’s stellar nurseries are highly fragile but a few survive for a remarkably long time.

In different countries and over time, electoral features such as statistics of candidates’ performance and turnout rates show universal behaviors. Are voters as predictable as atoms?