Four private astronauts returned to Earth in a SpaceX capsule after roughly four days orbiting the planet in a novel polar trajectory, walking out of their spacecraft with little assistance to cap off ...

The Sahara Desert is one of Earth's most arid and desolate places, stretching across a swathe of North Africa that spans ...

Four space tourists who orbited the north and south poles returned to Earth on Friday, splashing down in the Pacific to end ...

The Mojave Desert may lose and gain suitable habitat for Gila monsters. But the unathletic reptiles might be mostly stuck in the waning oases.

Stay in the some of the world’s most secluded, sandiest landscapes for a holiday to remember. Here are the world's best desert hotels ...

As Australia confronts biodiversity loss, this research underscores the importance of listening to those who know Country ...

If humans ever want to set up a home elsewhere in the Solar System, Mars seems like the most viable bet, beating off the competition by not being a hell world, having a surface we could actually stand ...

Skunks are primarily solitary animals, with the exception of mothers and their young. Sloths are known for their slow movements and solitary lifestyle, often spending their time hanging in trees.

How much they weigh: From as little as 60 pounds (27 kilograms) to more than 1,700 pounds (771 kg) ...

A few months ago, Greenland was quietly getting on with winter, as the territory slid deeper into the darkness that envelops the world’s northerly reaches at this time of year. But President Donald ...

A calving iceberg exposed a region that never before had been seen by human eyes, revealing a vibrant, thriving ecosystem ...

The allied militaries did not specify where within the Arctic Circle the exercise took place, but the area is home to Russian bases including Severomorsk in Murmansk and Arctic trade passages like ...