A developer reverse-engineering Anthropic's Claude Code binary discovered on June 30, 2026, that the tool had been silently encoding hidden signals into its AI system prompts for at least three months ...

The rise of AI has brought an avalanche of new terms and slang. Here is a glossary with definitions of some of the most ...

5 Things to Know is CNBC's Morning Squawk newsletter, a before-the-bell briefing on the most important news, trends and analysis that investors need to start their trading day. Subscribe here to ...

For the 2026 tax year, workers can contribute up to $24,500 to their 401(k), up from $23,500 in 2025. The IRS has also raised the annual limit on traditional and Roth IRA contributions to $7,500, up ...

In January 1994, the MTA officially debuted MetroCards as part of its effort to phase out subway tokens. Now, the transit agency is working toward having a completely contactless fare payment system.