Rachel Maddow reports on how a federal law passed in 2000 to create a sanctuary for chimpanzees used for research has allowed the National Institute for Health to recommend reducing the number of chimps kept for testing, with the remaining sent to Chimp Haven, the sanctuary set up by the 2000 law.
A chimp named Nakima walks around the Wales Ape and Monkey Sanctuary wearing a blanket to combat the freezing temperatures. TODAY.com's Dara Brown reports.
A video from Emory University's Yerkes National Primate Research Center explains how chimpanzees were tested on their preference for fair outcomes when it comes to sharing goodies.
An elderly chimpanzee at a reserve in China has given birth to a daughter. TODAY.com's Dara Brown reports.
One of the chimps that attacked American student Andrew Oberle last week was reportedly operated on for four hours after being shot in the stomach by rescuers trying to save Oberle. Experts are now saying the attack was likely due to territorial behavior. NBC’s Michelle Kosinski reports.
The family of an American researcher hospitalized in South Africa after two chimpanzees savagely attacked him say it is a miracle he is still alive and showing signs of improvement.
A chimpanzee cuddles her infant in their newly renovated habitat at Taronga Zoo in Sydney in this September 30, 2011 photo. The National Institutes of Health, America's foremost medical research agency, said January 23, 2013 it would no longer fund studies involving chimpanzees as it prepares to rev
EXCLUSIVEMandatory Credit: Photo by Barry Bland/Rex / Rex USA 5-month-old grizzly bear Bam Bam and 16-month-old chimp Vali playingBaby chimp and baby bear playing together at the Myrtle Beach Safari park, South Carolina, America - 06 Apr 2013Meet the adorable duo who prove that you don't have to
A chimpanzee holds a block of nectar as it is sprayed with water on a hot day at Dusit zoo in Bangkok April 2, 2013. REUTERS/Chaiwat Subprasom (THAILAND - Tags: ANIMALS ENVIRONMENT)
epa03595220 A zoo caretaker holds a young common chimpanzee at the Loro Parque zoo, in Santa Cruz de Tenerife, Canary Islands, Spain, 22 February 2013. The zoo received 7 chimpanzees from other centers, after the regional authorities ordered the transfers. EPA/RAFAEL ZAMORA