A finger-length fish has reignited a long-running debate about self-awareness, cognition and how much we’ve underestimated ...

If you're not really into salt-water tanks or don't spend a lot of time in coral reefs, there's still a high probability you may have heard of the bluestreak cleaner wrasse fish. Likely because last ...

Animals are amazing creatures with a wide array of traits, but one seemingly common trait is their inability to understand mirrors. Can animals even perceive themselves in mirrors? Check out this ...