'We've seen an explosion in the science'

UP NEXT
DeSantis: Law was 'weaponized for political purposes' in Trump indictment
00:52
Pope Francis comforts grieving mother after leaving hospital
00:59
'I'm still shaking': Little Rock residents reflect on destruction in tornado's aftermath
01:32
Florida toddler's body found in alligator's mouth, father charged with murder
01:19
At least one person killed, multiple injured in Illinois roof collapse
00:42
Sanders: ‘Arkansans are tough and we’re resilient’
01:08
Axiom astronauts discuss upcoming mission
06:04
Father plans to sue Long Island school district after daughter was attacked
02:50
Activists call out anti-trans legislation on Transgender Day of Visibility
03:13
7 California officers and nurse charged in death of man in custody
02:54
81-year-old best friends travel the world in 80 days
02:29
Nightly News Full Broadcast (March 31st)
18:57
Watch: Drone video shows damage in aftermath of Arkansas tornado
01:42
Tennessee law restricting drag performances goes into effect at midnight
02:30
Long-Covid patients find hope in treatment aiming to restore taste and smell
02:15
Trump’s rivals and allies react to historic indictment
02:19
Storm systems in South and Midwest putting 58 million under tornado threats
03:54
NYPD prepares for Trump indictment protests
02:26
What’s next for Trump after his historic indictment?
01:22
Judge allows Dominion's defamation case to go to trial
02:38

UP NEXT
DeSantis: Law was 'weaponized for political purposes' in Trump indictment
00:52
Pope Francis comforts grieving mother after leaving hospital
00:59
'I'm still shaking': Little Rock residents reflect on destruction in tornado's aftermath
01:32
Florida toddler's body found in alligator's mouth, father charged with murder
01:19
At least one person killed, multiple injured in Illinois roof collapse
00:42
Sanders: ‘Arkansans are tough and we’re resilient’
01:08