The most recent IPCC (Intergovernmental Panel on Climate Change) assessment report estimated that global mean sea-level rise ...

Despite its vast expanse of sand, the Sahara is not the largest desert on the planet, that distinction goes to someplace with ...

A visit to Antarctica is interesting on its own merits, but adding a stop at this volcanic island turns it into a genuinely ...

The journey to run a marathon or longer in all seven continents started before Candice Knuteson set it to be her goal.