Google parent Alphabet Inc. on Monday became the fourth Big Tech powerhouse to be valued at $4 trillion, a once seemingly unfathomable milestone that’s become more like a rite of passage amid an artificial intelligence arms race.

What was once a simple signal for trust has become a place where potential customers feel like they have to keep a watchful eye. Reviews, including star ratings and written testimonials, have been overtaken by generative AI,

Our eyes can frequently play tricks on us, but scientists have discovered that some artificial intelligence can fall for the same illusions.

AI once again dominated CES, where companies from around the world gathered to flaunt new technologies. It’s where tech giants like Nvidia, Samsung, and Amazon made their case for the role AI will play in how people live and work,

McKinsey & Company CEO Bob Sternfels says he wants every employee working alongside an AI agent within a year and a half.

As sexualized images flooding X spark a global conversation, Newsweek spoke to legal experts about the potential legal implications.

Artificial intelligence presents a generational investment opportunity. The Motley Fool's 2026 AI Investor Outlook Report shows that 93% investors are confident in their AI exposure. AI could shape markets in 2026 as companies and investors shift focus to long-term value creation.

By the close of trading, Tempus AI's stock price was up more than 4% after rising as much as 15% earlier in the day. Tempus expects revenue to grow 83% year over year to $367 million in the fourth quarter, fueled by a 121% surge in diagnostics sales, to $266 million, and a 25% jump in data and applications revenue, to $100 million.