Beset by a selloff in Treasuries that’s sent benchmark yields to multidecade highs, the US government is finding itself increasingly dependent on investors who only buy if the price is right.

A web of interlinked investments raises the risk of cascading losses if AI falls short of its potential.

Economists are trying to trace the impact of global warming on inflation

The higher temperatures climb, the more inflated household costs like groceries will become, economists predict.

Climate change is leading to the melting of glaciers and the thawing of permafrost worldwide.

A year after the town of Blatten was destroyed, Switzerland faces difficult decisions over the risks and costs of living in the mountains.

A web of interlinked investments raises the risk of cascading losses if AI falls short of its potential.

President Donald Trump’s proposed missile and air defense system, meant to swat down threats from near ground level all the way into space, is an enormous task — and comes with a huge price tag.