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    New video shows moment of Scottie Scheffler's arrest

    01:25
  • U.N. adds Israel to list of countries that harm children

    00:56
  • 21 million people under heat alerts amid record-shattering temperatures

    02:12
  • Clarence Thomas acknowledges trips with billionaire in financial disclosure

    01:29
  • Prosecution rests case in Hunter Biden criminal trial

    01:40
  • New concerns about crossing guards' close calls with driverless cars

    03:05
  • Biden evokes D-Day heroes in speech about threats to democracy

    02:37
  • Hallie Biden testifies about Hunter Biden's drug use in his felony gun trial

    01:35
  • Rare tornadoes rip through Maryland as dangerous heat hits the West

    01:48
  • Israel defends airstrike on a U.N. school in Gaza that left dozens dead, including children

    01:41
  • A new study is raising health concerns about xylitol, a popular sugar substitute

    00:45
  • Biden joins world leaders saluting D-Day heroes on 80th anniversary

    02:58
  • Heroes from D-Day received the highest honors after storming the beaches 80 years ago

    01:24
  • Suspected 'Gilgo Beach' serial killer charged with two more murders

    01:40
  • Lester Holt Reports: Secretary of Defense Lloyd Austin discusses America's role in Israel-Hamas war

    04:04
  • Secretary of Defense Lloyd Austin: Extended Interview

    07:54
  • Secretary of Defense Austin: 'There are ways to be more precise' as civilian death toll rises in Gaza

    01:42
  • Amanda Knox reconvicted of slander for accusing man of killing

    01:45
  • American veterans recall D-Day invasion, 80 years later

    02:06
  • Bill to safeguard contraception fails in Senate

    01:49

NASA’s ‘DART’ mission succeeds in changing asteroid’s orbit

01:30

NASA’s “DART” mission proved to be a success after the spacecraft slammed into an asteroid and shortened its orbit even more than anticipated. NBC News’ Tom Costello shares more on the major accomplishment.