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    Officials warn of Ian's 'life-threatening' storm-surge, advise Floridians to seek higher ground

    02:07
  • Hurricane Ian approaches Florida as Category 4 storm

    04:09
  • ‘No excuse’ to be in an evacuation zone as Hurricane Ian makes landfall, Florida mayor says

    04:57
  • Florida official shares tips for residents sheltering in place

    01:57
  • Parts of Florida brace for potentially deadly storm surge

    02:09
  • Hurricane Ian puts electric vehicles to the test amid power outages

    03:29
  • DeSantis: ‘No longer possible to evacuate’ some areas as Hurricane Ian approaches Florida

    02:59
  • ‘Hide from the wind, run from the water’ as Hurricane Ian makes landfall, Florida authorities warn

    05:42
  • Florida official urges residents to find shelter ahead of storm landfall

    02:33
  • Florida residents brace for impact of Hurricane Ian ahead of landfall

    03:25
  • Hurricane Ian borders on Category 5 as it closes in on Florida

    03:52
  • Watch: Flooding in Florida Keys ahead of Hurricane Ian

    01:00
  • All of Cuba without power after Hurricane Ian makes landfall

    01:07
  • Senate votes to advance short-term funding bill, avoiding government shutdown

    02:25
  • The January 6th Hearings: The House Investigates

    51:00
  • Famed mountaineer missing on Nepal mountain after 80-foot fall

    02:45
  • Three men charged with fraud in alleged $100 million New Jersey deli scheme 

    03:55
  • Over 1,000 Virginia students walk out over governor's new transgender policy

    03:33
  • Shakira to stand trial on tax fraud charges in Spain

    02:43
  • Santa Fe DA says Alec Baldwin could face charges in 'Rust' shooting

    04:05

Health officials warn delta Covid variant could become dominant in U.S. as vaccination rate drops 

03:31

Half of U.S. adults are fully vaccinated against Covid-19, but health officials are warning that the delta variant, first detected in India, could become dominant across the country unless more Americans get the shot. NBC News medical contributor, Dr. Natalie Azar, breaks down whether the delta variant is more contagious than the original strain and why younger people are testing positive for Covid-19 at a higher rate.