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

Some fish can recognize their own faces in photos and mirrors, an ability usually attributed to humans and other animals considered particularly brainy, such as chimpanzees, scientists report. Finding ...

Humans are well known for looking in the mirror and responding to their reflections. Interestingly, scientific research has revealed that it is a rare trait among animals, with only a few species ...

Awareness, especially self-awareness, is very difficult to study. Self-awareness evolved among our animal ancestors and is found in their descendants today. Its presence can be detected using the ...

Adélie penguins seem to have passed a portion of the mirror test, in which animals that see their reflection in a mirror appear to recognise that they are seeing themselves and not another individual.

Joining the likes of killer whales (Orcinus orca) and bottlenose dolphins (Tursiops truncatus), plus a number of primates, a common dark-furred mouse has passed what’s known as the mirror test, backed ...