The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

We develop a search-based theory of mergers and acquisitions with heterogeneous firms and endogenous search complementarities. We use this model to understand how merger incentives and the firm size ...

On Nov. 12, more than 20,000 pages of emails between Jeffrey Epstein and others were released by the House Oversight Committee. There are thousands of exchanges between Epstein, who was arrested on ...

TEHRAN, Iran — Welcome to the missile museum. That’s what locals call the vast exhibition space that reopened this week on the outskirts of the Iranian capital, Tehran. But make no mistake, the ...

All of modern mathematics is built on the foundation of set theory, the study of how to organize abstract collections of objects. But in general, research mathematicians don’t need to think about it ...

IT: Welcome to Derry Episode 5 ends with a development that should send chills down any hardcore Stephen King fan’s spine. It’s not enough that our heroes finally visited the house on Neibolt Street ...

Google is rolling out new AI-powered features to book and plan travel in Search, the company announced on Monday. The tech giant is expanding availability for its AI-powered “Flight Deals” tool, ...

The Trump administration is preparing to introduce a series of executive actions that could reshape America’s trajectory in quantum technology and cybersecurity. By accelerating deadlines for ...