Bones from a Tudor warship reveal what life was like for the crew

This week, learn what life was like aboard a Tudor warship, meet the rats fighting wildlife trafficking, spy supernova filaments that resemble a dandelion, and more.

​ This week, learn what life was like aboard a Tudor warship, meet the rats fighting wildlife trafficking, spy supernova filaments that resemble a dandelion, and more. Read More Breaking News, Latest News and Videos | CNN