Gases collected from boiling mineral springs in Zambia contain the chemical signature of having come directly from the ...

New isotopic evidence is rewriting the story of Earth's first continents. Imagine the planet nearly 3.8 billion years ago: a ...

Scientists confirm the northern boundaries of Zealandia, Earth's eighth continent, is submerged across almost two million ...

Earth's earliest continents may have set the chemical stage for life by regulating boron levels in ancient oceans, a new ...

About 600 million years ago, the continents wandered Earth, yet to settle into their current positions. Their locations during the Ediacaran (as this time is called) have been tough for scientists to ...

“I have so much more to give, not just in this challenge, but in my life,” Michelle Khare tells PEOPLE Mark Conlon/The Great World Race In November 2025, Michelle Khare completed seven marathons on ...

Julie Kulawiec finishing the marathon at the Dubai Expo complex. Julie Kulawiec scrolled past a post about an extreme race and had the opposite reaction of most people. Julie Kulawiec ran through -23 ...

That is how Poway resident Tracy Roth described completing seven marathons in seven days on seven continents. Roth was among the 57 people from around the world in the 2026 World Marathon Challenge ...

A 61-year-old Daytona Beach engineer completed seven marathons on seven continents in seven days. Matt Parker finished 18th out of 51 competitors in the World Marathon Challenge. Parker's efforts ...

Imagine running one marathon, an impressive feat by anyone’s standards. Now try to envision running seven marathons in as many consecutive days, all on different continents. The races began at Ultima ...

Matt Parker, a 61-year-old endurance athlete, completed the World Marathon Challenge, an event where runners run seven marathons in all seven continents in a week. Parker battled extreme cold, a ...

Anthony Simonetti didn’t set out to be a runner. But like a real-life Forrest Gump, once he started, he never stopped. The Staten Island native, who now lives in Hazlet, N.J., has completed one of the ...