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 ...

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.

Johnson, a Madera-based Realtor, recently set a Guinness World Record for completing an ultramarathon on every continent in seven consecutive days while raising $120,000 for Parkinson’s research. He r ...

Spencer Matthews today completed his fifth full distance triathlon on a fifth different continent in the span of just ...

A former Gurkha who became the first double above-the-knee amputee to climb Everest is closing in on a mammoth challenge to ...

Spencer Matthews is now three triathlons down, with his fourth set to begin in Perth tomorrow, and more determined than ever.

A Japanese research team has studied the variations in beryllium-7 concentrations in the surface air over the Antarctic regions of Southern Ocean. Beryllium-7 is a radioactive isotope of beryllium ...