September 11 Attacks September 11, 2021 10:49 am US Marks 20 Years Since 9/11 Terror Attacks The U.S. marked 20 years since the terror attacks of 9/11 at ceremonies across the country. US & World Videos 1:59 Survey shows travelers plan to go into debt for vacation 10:23 Weezer reflects on 30 Years since the ‘Blue' album and opening for Keanu Reeves 10:49 Brooke Shields praises ‘Mother of the Bride' rom-com for featuring women over 50 1:02 Barge slams into Texas bridge, causing oil spill 3:29 Woman accidentally invites entire phone contact list to daughter's first birthday party