This is read by an automated voice. Please report any issues or inconsistencies here. Federal authorities detected mysterious encoded radio broadcasts potentially aimed at sleeper cells on U.S. soil ...

Add Yahoo as a preferred source to see more of our stories on Google. A woman holds a picture of Iran's new supreme leader, Ayatollah Mojtaba Khamenei, during a rally in Tehran on March 9, 2026.

LOS ANGELES — With U.S. and Israeli forces continuing offensive strikes on Iran, federal counterterrorism authorities are warning that the desperate theocracy could launch retaliatory strikes on ...

Michaela Mulligan is a climate and environment reporter. Reach her at [email protected]. Anyone can view a sampling of recent comments, but you must be a Times subscriber to contribute. Log in ...

After outgrowing its original home, the National Museum of Mathematics has added new exhibits and an art gallery space in what was an empty storefront along the Avenue of the Americas in Manhattan. By ...