Researchers examine how portable air purification units can protect classrooms
"GMA" gets an exclusive look at what researchers are doing to track how viruses spread through the air.
July 21, 2021
Additional Live Streams
Top Stories
Top Stories
Tracking the Trump, Harris paths to victory
1 hour agoConcerns about Trump and Harris, according to political strategists
1 hour agoHoward University preparing for Kamala Harris on Election Day
1 hour agoWhat's happening in the Trump, Harris inner circles
1 hour ago2 Georgia voting locations evacuated over ‘non-credible’ bomb threats
1 hour agoBiggest vulnerabilities of Trump, Harris on Election Day
2 hours agoWhat you need to know about your Election Day voting rights
2 hours agoUS elections are ‘very secure’: Legal expert
2 hours agoThe historic nature of a Trump vs. Harris matchup
3 hours agoDemocratic strategist Mariel Saez and Republican strategist Ashlee Rich
3 hours agoTrump and Harris make final push, get last-minute endorsements
Nov 05, 2024North Carolina voters head to polls in wake of hurricanes
Nov 05, 2024Harris makes final pitch to voters across Pennsylvania
Nov 05, 2024Trump hits 3 battleground states in final push
Nov 05, 2024How Harris or Trump could win election
Nov 05, 2024Polls open in battleground Pennsylvania
3 hours agoRussia suspected of scheme to send incendiary devices on planes: Sources
Nov 05, 2024Boeing machinists vote to end strike
Nov 05, 2024Heightened security at polling places across US
Nov 05, 2024What to watch for as voters head to polls on Election Day
Nov 05, 2024Latino vote in Nevada is critical for Harris, Trump
2 hours agoPresidential candidates make final campaign sprint
Nov 05, 2024Abortion rights on ballot in Arizona
Nov 05, 2024An overview of key issues on the ballot
Nov 05, 2024Pennsylvania young voters ready to make an impact on 2024 election
Nov 05, 2024Michigan union worker, Arab voters weigh in on both presidential candidates
Nov 05, 2024Voters in North Carolina aren't letting Hurricane Helene damage stop them from voting
Nov 05, 2024Swing state election officials step up security to protect votes and workers
Nov 04, 2024Gulf Coast braces as Tropical Storm Rafael forms in Caribbean
Nov 04, 2024Music industry titan Quincy Jones dies at 91
Nov 04, 2024
ABC News Live Presents
ABC News Live Presents
October 7th: The Race to Survive
Oct 07, 2024January 6th: The Fight to Rewrite History
Oct 03, 2024The President and First Lady of Ukraine | Robin Roberts Reporting
Sep 25, 2024Maui Strong 808: Rising from the Ashes
Aug 08, 202410 Million Names
Jun 19, 2024Generation Swipe
May 23, 2024Amplified: Asian American Native Hawaiian Pacific Islander Voices
May 16, 2024The Power of Us: People, Climate and Our Future
Apr 25, 2024Trashed: The Secret Life of Plastic Exports
Apr 23, 2024Toll of War: The José Andrés Interview | Martha Raddatz Reports
Apr 08, 2024Fertility in America | Rebecca Jarvis Reporting
Mar 28, 2024One-on-One: A Conversation with Robin Roberts and Caitlin Clark
Mar 15, 2024After the Fall: A Conversation with Robin Roberts and Jenifer Lewis
Mar 12, 2024Prince Harry's Mission: Life, Family and Invictus Games
Feb 23, 2024Tackling Mental Health | Michael Strahan Reports
Feb 16, 2024Severed: Diabetes Denial and Mistrust
Feb 15, 2024Exodus: Global Migration
Jan 26, 2024Battle Cry: Fighting Assault in the Military
Dec 08, 2023Fallout: Two Nations Under Uranium
Nov 30, 2023The American Classroom
Nov 17, 2023Disaster Uninsured
Nov 16, 2023Hispanic Heritage Month: Entre Nos - 1st Gen
Sep 28, 2023Hispanic Heritage Month: Entre Nos – 2nd Gen
Oct 09, 2023Hip-hop at 50: The architect, the First Amendment and the fashion explosion
Aug 23, 2023Elliot Page: In His Own Words
Jun 19, 2023Culture Conversations - CC: AANHPI Heritage Month
May 25, 2023Trashed: The Secret Life of Plastic Recycling
May 24, 2023The Power of Water
Apr 20, 2023Tone Death: Loss & Hip-Hop
Mar 14, 2023
ABC News Specials on
Impact X Nightline: On the Brink
Dec 14, 2023Impact X Nightline: Unboxing Shein
Nov 27, 2023The Lady Bird Diaries
Nov 27, 2023Impact X Nightline: It's Britney
Nov 27, 2023Impact X Nightline: Natalee Holloway -- A Killer Confesses
Nov 27, 2023Impact X Nightline: Who Shot Tupac?
Nov 27, 2023Wild Crime
Oct 26, 2022Impact x Nightline
Oct 28, 2022Power Trip: Those Who Seek Power and Those Who Chase Them
Sep 27, 2022The Murders Before the Marathon
Sep 01, 2022The Ivana Trump Story: The First Wife
Jul 25, 2022Aftershock
Jul 18, 2022Mormon No More
Jun 22, 2022Leave No Trace: A Hidden History of the Boy Scouts
Jun 15, 2022Keeper of the Ashes: The Oklahoma Girl Scout Murders
May 20, 2022The Orphans of COVID: America's Hidden Toll
May 13, 2022Superstar: Patrick Swayze
Apr 14, 2022The Kardashians -- An ABC News Special
Apr 05, 202224 Months That Changed the World
Mar 30, 2022Have You Seen This Man?
Mar 22, 2022
