Thousands of people gathered in Ottawa to observe the 2022 national Remembrance Day ceremony; the first one held without public health restrictions since the pandemic began. The rituals that returned and how veterans are feeling. People in Kherson are cheering as Ukraine retakes control of the city, while Russian forces withdraw. The celebrations, the shift in momentum for Ukrainian troops, and what Russia's retreat means for the war. Divers for a History Channel documentary made an unexpected discovery off Florida's east coast, stumbling upon wreckage from the 1986 explosion of the Challenger space shuttle. How finding remnants of the ill-fated NASA shuttle is digging up memories of the deadly disaster. Plus, relief could be on the way for a Canadian airplane crew detained in the Dominican Republic for months. And the growing efforts to unlock the mysteries of chronic traumatic encephalopathy (CTE), which has been detected in professional athletes and military veterans, and what still needs to be done to help treat those suffering in silence.