For more than four hours, a ground stop of virtually all aircraft in the United States brought unprecedented chaos and delays that are expected to last days. Here is what we know about what went wrong. More

The Federal Aviation Administration issued a ground stop Friday for all flights in the United States, according to an advisory from the agency. More

The measure had just over 51% votes in favor and nearly 49% opposed, with about 96% of votes counted. More

The Orange County Sheriff's Department has launched an internal investigation into whether two employees communicated with ICE agents who detained a man who was leaving the county jail. More

Thousands of flights across America were delayed, canceled and stuck on the tarmac Friday after the FAA announced a ground stop. Here's what to know if you are affected. More

The competing agendas could make the summit little more than a spectacle, yet still produce images that harken back to the famous Yalta conference of 1945. More

In their garage, prosecutors said, Mark Andre Tomas Navarrete, 46, struck both his mother and father on the head and then strangled them. More

At issue is a clash between the promise of asylum for those fleeing persecution and the reality of a border overwhelmed by hundreds of thousands who arrived seeking to apply. More

A four-hour ground stoppage on all flights in the United States on Friday led to chaos for thousands of travelers at airports across California. More

The FBI said the North Korean hacking group is targeting cryptocurrency executives, Web3 industries, as well as people involved in the development and maintenance of open-source software. More

Ihor Demianenko, 61, of Valley Village, was charged with murder on Friday for a suspected drunk driving crash that killed three food vendors outside a North Hollywood Metro station. More

A storm series that arrived Thursday night was expected to be the first of three storms rolling through Southern California. More

A virus deadly to fish has arrived in California, potentially threatening largemouth bass populations across the state. More

From the Endeavour in launch position and Mars rovers to a two-decker 747, the Samuel Oschin Air and Space Center is primed to blow your mind. More

Fly a drone, operate a remote-controlled Mars rover, step into a digital space suit and take a space slide: There are interactive exhibits galore at the new Samuel Oschin Air and Space Center. More