Your daily look at late-breaking news, upcoming events and the stories that will be talked about today:

A trauma surgeon describes that chaotic aftermath of the mass shooting at an outdoor concert in Las Vegas, where hundreds of victims came pouring into area hospitals.

Amid the terror on the Strip, there were acts of compassion and countless heroics that officials say saved scores of lives.

The president visits San Juan, Puerto Rico, amid criticism of a sluggish response to the devastation wrought by Hurricane Maria.

The Supreme Court takes up a case about political maps in Wisconsin that could affect elections across the U.S.

With Tom Petty's death at age 66, the "American Girl" singer was a rock classicist to the core who built a body of work worthy of his heroes.

Three scientists — Rainer Weiss, Barry Barish and Kip Thorne — are laureates for their discoveries in gravitational waves.

The estranged half brother of North Korea's leader had extremely low levels of an enzyme vital for nervous system function due to poisoning, a Malaysian government scientist testified.

U.S. officials say the Trump administration is preparing to ask Havana to reduce the staff at its embassy in Washington by 60 percent.

A new online resource would list alcohol treatment providers, paired with key questions patients should ask.

Alex Smith throws for 293 yards with touchdowns through the air and one on the ground as Kansas City improved to 4-0 with a 29-20 win over Washington.

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