A new idea about cosmic expansion has emerged that might remove the need for dark matter and dark energy altogether.

The rotating model, which does not break any known law of physics, suggests the universe could spin around once every 500 billion years. This would be far too slowly to detect easily, but enough to ...

This index is primarily used to determine current inflation and predict how prices might change in the near future. According to the Labor Department’s most recent report, CPI in March was 2.4% ...

For more audio journalism and storytelling, download New York Times Audio, a new iOS app available for news subscribers. By Nicholas Casey Read by Malcolm Hillgartner Produced by Adrienne Hurst ...

They would raise taxes to cool the economy and prevent inflation when there is abundant demand-side growth. Monetary policy could also be used to stimulate the economy—for example, by reducing ...