A chunk of the Martian surface that made unlikely voyage to Earth will be available to highest bidder at Sotheby's auction in ...

Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

It's been covered in ice for 34 million years. But scientists are finally uncovering what Antarctica's landscape really looks ...

The remains of landscapes thought to have formed when ancient rivers flowed across East Antarctica have been discovered—and ...

If you need a pop of durable color in a dry, sunny space, consider planting hardy ice plant and amending the soil with gravel ...

The new entries for the UNESCO World Heritage Site list will be finalised at the 47th session of the World Heritage Committee ...