If you can't make tonight's show, you can watch Monday nights at 6 p.m. PT/9 p.m. ET. Coming up on the show is more of our ...

A million years ago, a species known as Homo erectus most likely survived in an arid desert with no trees. By Carl Zimmer Chimpanzees live only in African rainforests and woodlands. Orangutans ...

The IAF's 120th "Desert Giants" Squadron, previously known as "The International Squadron," has participated in several historic missions. Its first major mission was to drop supplies to Yemen's ...

Text description provided by the architects. Our latest piece celebrates the craft of Mleiha's artifacts through a grand land art installation, made of and from desert sand. Save this picture!

"Even if a planet is in the habitable zone, if it has too small a water inventory, it transitions to an uninhabitable state." It's no secret that science fiction writers are fond of rooting their ...