Scott Rosenfield (@ScottRosenfield) is a Level 2 USA Cycling Coach and Outside's Online Editor.
A rockslide Monday killed five people at a vantage point looking up on Agnes Vaille Falls in Northrop, Colorado.
The world record marathon time fell by 15 seconds Sunday when Wilson Kipsang of Kenya set a new record of 2 hours 3 minutes and 23 seconds at the Berlin Marathon.
Following months of bitter campaigning, Brian Cookson beat Pat McQuaid in a 24-18 vote Friday to become the president of the UCI, cycling's world governing body.
Nearly 87 elephants have been poisoned with industrial cyanide for their ivory, authorities in Zimbabwe told the Associated Press Wednesday.
American cyclist Chris Horner released his biological passport data today.
Sarah Outen touched shore in Alaska's Aluetian Islands Monday after 150 days and 3,750 miles at sea.
Ski resorts around the country are reporting the first snowfalls of the season.
Though the rains have ended, farmers fear that flooding in Colorado may damage the agriculture industry.
A man held aloft by hundreds of helium-filled balloons touched down in Newfoundland Thursday after falling short of his goal to cross the Atlantic.
A growing numbers of Americans are using standup desks, treadmill desks, and other moving workstations throughout the day.
Scientists in Kenya have discovered an aquifer capable of meeting the country's water needs for up to 70 years.
Two porters were killed and a group of Western tourists attacked while trekking through a remote jungle trail in Papua New Guinea yesterday.
A wildfire atop Mount Diablo continues to burn, but firefighters took advantage of cooler weather to up containment of the blaze from 20 to 45 percent Tuesday.
A dossier leaked to VeloNews and released Monday implicates the current and former heads of the UCI in a massive doping cover-up.
Kilian Jornet and Emelie Forsberg were rescued from the Aiguille du Midi in Chamonix Saturday after the weather degenerated.