With the race still too close to call, former congressman Tom Malinowski conceded to challenger Analilia Mejia in a Democratic primary to replace the seat vacated by New Jersey Gov. Mikie Sherrill.

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Democrats on Capitol Hill remain divided over doubts about President Biden's fitness for the campaign even as Biden himself says he is not dropping out.

Scientists have found an underlying reason why it's dangerous to drive when you're sleepy. Brain recordings show cells involved in perception fire more slowly in somebody who has been up all night.

Last year's biggest winner will try to repeat his wins for song and record of the year, and add album of the year to his trophy case. Other top nominees include Lady Gaga and Bad Bunny.

It's trendy in some circles to replace drinking with consuming cannabis. But can it help people with a drinking problem cut back? Scientists set up a bar in the lab to find out.