Hope springs eternal? Not for many philosophers, but the solution may lie in specifying when a hope is truly satisfied. In A ...

This week, a group of about 100 physicists and philosophers have gathered in Munich to reassess a question at the heart of science: “Why trust a theory?” In an opinion piece by George Ellis and Joe ...

Opinions differ about what recent measurements of a sound-trapping fluid reveal about light-trapping black holes. The question is how to interpret the bizarre analogy between a fluid of rubidium atoms ...