Two women from the Bay Area just finished the Great World Race, a series of marathons in all seven continents in seven ...

The moment intersecting those experiences came April 23, 2007, the day 21-year-old Karissa suffered a stroke. The Omaha ...

Unfortunately, one million endangered species could become extinct. On World Wildlife Day, learn who is at risk and how to ...

Most people don’t have the grit, stubbornness, or borderline-questionable decision-making it takes to complete the world’s ...

On Day 7, the journey reaches Antarctica, a continent that quickly exposes the cost of the entire week. Fatigue from crossing ...

Many people mistakenly think they’re plants, but lichens are weird composite organisms – and Australia has a lot of them.

As Africa undergoes a dramatic geological shift that may one day split the continent in two, here’s everything you need to ...

A former Gurkha soldier who lost both his legs while serving in Afghanistan is preparing to make history once again.