The Signal group included the defense secretary and top intelligence officials in the Trump administration as they discussed an ongoing military operation in Yemen earlier this month. The new ...

Using non-invasive optical imaging methods, fNIRS assesses brain activity by analyzing underlying tissue properties using near-infrared light. In military operations, pilots and aircrews ...

But his views on using U.S. military force and clues about the kind of advice he might give Trump behind closed doors were revealed in the Signal text message chain among senior administration ...