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Two men, who arrived separately from Cuba days apart, each carried clutches of live birds concealed in their clothes, the authorities said.

OpenAI's trove of new math results doesn't fully solve any of these highly prestigious open questions, but it seems to make progress on some.

Hundreds of new A.I.-generated findings moved the frontiers of higher math in a single day -- dispelling any doubt that the field is forever changed.

A report by the secretary-general warned that new technologies could be used to access and criminalize people's innermost thoughts.

The director, Michael Brennan, oversees 45 federal workers, including hurricane specialists and meteorologists.

The woman who helped put astronauts on the moon was a software engineer when the field was not prestigious or lucrative.

The total footprint of buildings along flood-prone riverbanks in the Himalayas grew by half in recent years, a study found.

They thought it might explain why their health had diverged. Instead, it stirred up feelings that weren't so easily quantified.

Vaccine safety experts say more research into the side effects would be welcome yet question whether the health secretary's effort will be grounded in science.

Margaret Hamilton, the first female programmer hired to work on the space project at M.I.T., was 90.