NASA is launching a study on unidentified aerial phenomena, commonly known as UFOs. The group of 16 people will gather data on unidentifiable events in the sky and release its findings to the public in mid-2023. CNN's Kristin Fisher reports. #CNN #News Source

CNN's Anderson Cooper speaks with Miles O'Brien about a signal from a sun-like star, sparking speculation of alien life. source

From Martian rats to mysterious women, alien hunters say the photos from the Mars rover prove there's life on the red planet. CNN's Ian Lee investigates. source