OpenAI chief executive Sam Altman explained how his company makes calls about ChatGPT. He said the tiniest choices about the chatbot’s behavior worry him more ...

Before a national audience of transit leaders on Monday, Lt. Gov. Kim Driscoll offered an optimistic rebranding of Massachusetts’ troubled public transit system, highlighting recent investments and ...

Sam Altman’s comment that the internet could be “dead” echoes a once-fringe theory that bots, not humans, are now shaping the ...

If AI is to become pervasive, as the model builders and datacenter builders who are investing enormous sums of money are ...

French artificial intelligence leader Mistral AI today announced it has raised €1.7 billion, about $2 billion, in a Series C ...

K2 Think compares well with reasoning models from OpenAI and DeepSeek but is smaller and more efficient, say researchers ...

OpenAI announced a new AI certification initiative to help workers gain valuable AI skills with Walmart as a launch partner ...

WASHINGTON — Your next Amtrak trip could feature a big upgrade. Amtrak debuted its new NextGen Acela trains on Thursday. Here's what commuters need to know. The ...

Victoria D. is a digital producer for CBS Boston. Before joining CBS Boston in 2023, Victoria had already worked in journalism in both New York and Boston for more than 10 years. Julie Hanson is ...

The inaugural ride from D.C. to New York City comes after multiple setbacks and years of delays. The trains were initially scheduled to debut in 2022. Speaking to reporters from Union Station, Duffy ...

Duffy said the Transportation Department "can manage the property better." The Department of Transportation announced new high-speed Acela trains during a Wednesday news conference, which included ...