This week, discover the Sahara’s greener past, explore a mysterious cosmological force, marvel at a new concept for space ...

A formerly "chubby kid" who made history completing ultramarathons in the Arctic, Amazon, desert and mountains said sports ...

Sheer drama. That’s what the Great Sand Dunes are. Starkly beautiful desert dunes set against a backdrop of pretty, ...

Researchers studied the DNA of two 7,000-year-old naturally mummified individuals excavated in the Takarkori rock shelter in ...

A massive tomb more than 3,600 years old has been unearthed within a royal necropolis in Egypt. The wealthy king that the ...