Add Yahoo as a preferred source to see more of our stories on Google. California's sea otters have become surprising environmental champions by tackling a destructive invasive species wreaking havoc ...

I show animals displaying surprising problem-solving skills and even acts of revenge. What Tarique Rahman's BNP said about India after Bangladesh win 'Need 10 minutes': 19-year-old who argued and won ...

Problem-solving games for dogs are often promoted as universal mental enrichment tools. The footage shows how dogs respond very differently depending on prior experience, motivation, and communication ...