The electric bus maker Proterra has filed for Chapter 11 bankruptcy, a little more than two years after the California-based public company received praise from President Biden for being the future of the EV industry.

Alejandro Mayorkas's behavior is wearing thin with House Judiciary Committee Chairman Jim Jordan, who warned Tuesday that the Homeland Security secretary's stonewalling of basic questions shows "contempt" for Congress.

Cybersecurity firm CrowdStrike said it detected a surge in attempted breaches of the financial service sector in the past year, with North Korean cyberattackers being the most aggressive state-sponsored hackers to aim at the industry.

President Biden on Tuesday praised the bravery of three men who died in a midair collision while fighting a California fire Sunday.

A longshot candidate for U.S. Senate in Wisconsin who has never run for office in the state before plans to launch her candidacy Tuesday, becoming the first Republican to officially get in the race against Democratic Sen. Tammy Baldwin.

The White House on Tuesday held its first-ever cybersecurity "summit" on the ransomware attacks plaguing U.S. schools, in which criminal hackers have dumped online sensitive student data, including medical records, psychiatric evaluations and even sexual assault reports.