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    Victor Montalvo is the gold-medal favorite in breaking

    02:15
  • Beyond the Olympics, a walk through the gardens that inspired Claude Monet

    02:48
  • Brazilian airliner crashes with 61 people on board

    02:04
  • Trump's claim of near-death experience on helicopter disputed

    01:44
  • Parts of Mid-Atlantic and Northeast hit hard by remnants of Debby

    01:39
  • Slow road to recovery, one year after Maui fire disaster

    02:23
  • Breaking competition set to debut at Olympics

    01:50
  • Harris and Trump to face each other in September debate

    02:25
  • Heavy rain and flooding threat continue as Debby remnants move north 

    01:30
  • New details of alleged terrorist plot against Taylor Swift concert

    01:21
  • Body cam video reveals more about the attempted assassination of Trump

    01:41
  • Astronauts stuck on Space Station could be there until February

    01:49
  • Harris and Walz start battleground blitz, while Vance targets Walz's military record

    03:22
  • Taylor Swift concerts canceled in Austria after terror threat

    02:38
  • American is a favorite in Olympic kitesurfing

    02:25
  • Harris chooses Minnesota Gov. Walz as running mate

    02:29
  • Pakistani man accused of plotting to kill U.S. leaders

    01:18
  • Most Americans say they haven't heard of Walz or have no opinion of him

    01:45
  • Financial markets rebound one day after big downturn

    00:49
  • Brittney Griner reflects on her journey to Paris

    01:57

WHO team scientist: Wuhan lab workers fell sick in 2019

01:48

Virologist Marion Koopmans told NBC News that some scientists working at a Wuhan lab studying the coronavirus became sick in Fall 2019. She says China revealed the researchers tested negative for the virus, and the evidence does not point to a lab leak.