Exxon cleanup expands on Yellowstone
An Exxon Mobil official said Monday the company still does not know the cause of a pipeline leak that sent tens of thousands of gallons of oil into the Yellowstone River. NBC’s George Lewis reports.
The most popular Nightly News health, consumer news, aviation, lifestyle and human interest stories.
Watch our intimate, first-person documentary shorts about people, places and stories you may not have otherwise discovered.
Watch the best of Nightly’s international reporting.
Stay up-to-date on the latest health and medical news.
Coverage of extreme weather events affecting people across the country.
The best political reporting from Nightly News and the NBC News politics team.
Full Episodes of Nightly News
Watch full episodes of NBC’s Nightly News with Lester Holt.