News

Psychology

When good moods go decisively bad

Positive feelings may lead seniors to weigh fewer options and make poorer choices in some situations.

Humans

Crime numbers may mislead

Criminologists argue that city safety rankings should consider underreporting and other sources of error in compiling statistics.

Earth

Study keeps pace with Greenland glaciers

Herky-jerky motion of the island’s ice suggests that melting ice is unlikely to contribute to dramatic sea level rise this century, but the news isn’t all good.

Astronomy

A star is torn

A black hole’s stellar feast is witnessed by telescopes on Earth and in orbit.