An international team has sequenced the first ancient genomes from the so-called Green Sahara, a period when the largest desert in the world temporarily turned into a humid savanna-like environment.

Recite these cozy Christmas poems to share the holiday spirit and make even your Grinchiest loved ones say, "Ho, ho, ho!" Christmas poems to put you in a festive mood Snow-tipped chimneys, fresh pine, ...

A species of old-growth tree that is totally new to science has been hiding out in a narrow slice of mountain rainforest in ...

Between the Hajar mountains and gem-clear waters of the Gulf of Oman, this ancient city combines a striking setting with a ...