An unpublished NASA memo reportedly warns of a change in how the space agency awards contracts to build private space ...

Suddenly, a bear walks into the shot. And, appearing to take no notice of them, the animal goes sniffing around the room, ...

No man can live up to his legend, but the existence of the legend can inspire him to heroic feats, even to grinning down the icy Russian bear ...

The San Diego Zoo announced the death of Maka, a 30-year-old Western lowland gorilla, just days after staff made the decision to compassionately euthanize some of its longest-tenured animals.