• UP NEXT

    Josh Brolin Talks ‘Wake Up Dead Man,’ Acting Journey, Thanos

    08:24
  • Support Pours in for Young Texas Farmers After Devastating Floods

    03:00
  • George Altman, Pioneering Baseball Star in 3 Leagues, Dies at 92

    01:57
  • Toddlers Use Their Heads to Reach for Candy on Kitchen Counter

    03:26
  • Fans Snap Sunday Mug Shot With Pigs in the Bahamas

    01:32
  • Can Lawmakers Find a Solution to Expiring Health Care Subsidies?

    05:04
  • Northeast Sees Several Inches of Snow in First Snowstorm of the Season

    00:17
  • Steve Witkoff and Jared Kushner Arrive in Berlin for Ukraine Talks

    00:37
  • Trump Vows Retaliation After Two U.S. Soldiers Killed in Syria

    00:27
  • 11 Killed in Attack at Hanukkah Event in Australia's Bondi Beach

    03:32
  • Suspect in Custody in Brown University Shooting: What We Know

    02:24
  • One Suspect in Custody in Brown University Shooting

    02:18
  • Jamie Lee Curtis Talks ‘Ella McCay,’ New Career Chapter and More

    07:31
  • Willie Geist Previews Sunday Sitdown Live in Nashville

    00:37
  • Miami Artist Transforms Neighborhood Into Renowned Mecca

    02:49
  • Charles Shay, Native American D-Day Hero, dies at 101

    02:15
  • Couple Enjoys Candlelight Dinner in Sunday Mug Shot

    01:30
  • Hollywood Sounds Alarm Over Netflix’s Move to Buy Warner Bros.

    04:42
  • Temperatures in the Northeast Could Drop by Another 10 Degrees

    00:16
  • US to Honor Pearl Harbor Without Survivors in Attendance

    00:27

How Scientists Are Reviving San Francisco’s Extinct Blue Butterfly

02:56

The California Academy of Sciences is leading an effort to bring back the Xerces blue butterfly, which went extinct around 1941 because of human development in San Francisco. Researchers are hoping to reintroduce silvery blue cousins to the ecosystem to act as crucial pollinators and restart the butterfly population. NBC’s Gadi Schwartz reports in this week’s Sunday Spotlight.