A midair collision between a U.S. Army Black Hawk helicopter and an American Airlines regional jet approaching Washington, D.C.'s Reagan National Airport has sparked urgent concerns about air-traffic ...

There will be no TCA press tours in 2025 as Hollywood looks for ways to cut costs. By Tony Maglio The latest example of cost-cutting and consolidation in Hollywood? The canceled Television Critics ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. As the investigation ...

When two aircraft are unknowingly on a collision course, TCAS - the Traffic Collision Avoidance System — comes alive. Alarms echo through the cockpit as the transponders on both jets communicate, ...

What 'rush hour' looks like in New York on the TCAS system. (Alamy) Authorities believe everyone on board a passenger plane and a US Army helicopter that collided in mid-air before crashing into a ...

What Are Tricyclic and Tetracyclic Antidepressants? Tricyclic antidepressants (TCAs) and tetracyclic antidepressants were some of the first medications to treat depression. The difference between ...

Obviously encouraged by the fact that no midair accidents involving commercial aircraft have taken place since traffic alert and collision avoidance systems (TCAS ...

Commercial planes have technology that helps prevent crashes — but it has limitations, which was highlighted by the accident in Washington. By Niraj Chokshi For decades, airlines, regulators, ...

The latest example of cost-cutting and consolidation in Hollywood? The canceled Television Critics Association (TCA) summer press tour. On Wednesday, the TCA's board of directors informed its members ...

Tricyclic antidepressants (TCAs) are a class of drugs that have approval from the U.S. Food and Drug Administration (FDA) to treat depression. They work by increasing the levels of brain chemicals ...