Tensions in Pakistan have escalated sharply after former Prime Minister Imran Khan, through his sisters, conveyed explosive allegations about his treatment in jail and renewed his direct attack on ...

A comprehensive analysis of 383 U.S. cities reveals a striking pattern: most have rings of isolation in suburban areas and segregated pockets near the urban core, that are shaped by race, wealth, and ...

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...