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Chinese AI startup called DeepSeek became the most downloaded free app in the U.S. Apple store on Monday, replacing ChatGPT. That's rattling U.S. tech companies.

Buzz around DeepSeek built into a wave of concern that hammered tech stocks on Monday.

The Chinese chatbot took the world by storm and rattled stock markets. But lost in all the attention was a focus on how the company is collecting and storing data.

At least a dozen Justice Department employees involved in prosecuting President Trump have received dismissal notices. And, why China's DeepSeek AI is such a big deal.

Why are U.S. tech investors so worried about DeepSeek, the Chinese artificial intelligence company whose new chatbot is now among the most-downloaded free apps in the U.S.?

The Chinese AI company may be about to burst Silicon Valley's bubble.

OpenAI — the company behind ChatGPT and a big part of Stargate — is partnering with the U.S. National Laboratories. NPR's Mary Louise Kelly spoke with OpenAI's Chris LeHane, here are the highlights.

After we introduced a name for that annoying email practice of strategically cc-ing a manager to gain an upper hand, you responded with an avalanche of email. Here's a sample of your thoughts.

The Atlantic Coast Conference decided to pull many post-season tournaments out of North Carolina this season due to a controversial state law. This move follows the NCAA decision to remove college championship games out of the state.

Can online comments be redeemed? That conversation, plus highlights from our tech coverage on-air and online, are in our latest week in review.