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David Muir

World News Tonight Reports

New clues on why women's Alzheimer's risk differs from men's

New research gives some biological clues to why women may be more likely than men to develop Alzheimer's disease and how this most common form of dementia varies by sex
Jul 16
PHOTO: In this July 27, 1969, file photo, Apollo 11 crew members, from left, Neil Armstrong, Buzz Aldrin and Michael Collins sit inside a quarantine van in Houston.
02
AP, FILE

What awaited the astronauts when they returned to Earth after Apollo 11 moon landing?

The trio were quarantined to protect Earth from any germs picked up on the moon.
2h ago
PHOTO: Puerto Rico Gov. Ricardo Rossello speaks during a press conference in La Fortaleza's Tea Room, in San Juan, Puerto Rico, July 16, 2019.
03
Carlos Giusti/AP

Amid protests, Puerto Rico governor says he will not resign

Ricardo Rossello insisted that he would not leave office despite the scandals.
3h ago
PHOTO: Sadie Roberts-Joseph is interviewed by WBRZ.
04
WBRZ

Man arrested in murder of community activist found dead in trunk of car: Police

Sadie Roberts-Johnson was found dead in the trunk of her car on Friday.
2h ago
PHOTO: In this May 13, 2019, file photo, New York City police officer Daniel Pantaleo leaves his house in Staten Island, N.Y.
05
Eduardo Munoz Alvarez/AP, FILE

Justice Dept will not file charges against officer involved in Eric Garner’s death

Eric Garner, an unarmed black man, was put in an apparent chokehold.
Jul 16