Grief has long thought to be a human trait, but other animals – from killer whales to crows – also appear to suffer loss when ...

Does military "service" make one more likely to engage in violent conduct? Or does a proclivity for such conduct cause future mass shooters to seek out such "service?" Maybe it's a bit of both. Maybe ...

While elephants stand proud as the largest land animals on Earth, there are a few predators that can take out an elephant, especially a juvenile specimen. Watch to learn about 8 animals that can kill ...