Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

When Tom Fool, who also is by Menow, was withdrawn from the Futurity because the track was muddy, Mr. Headley, who seldom talks about a horse he’s going to run, said to a horseman he knew, “My Menow ...

Plans for a 230-mile transmission line threaten Nevada’s wilderness and have united hunters and wildlife groups ...

WIRED's Steven Levy sits down for The Big Interview with Palantir CEO Alex Karp. From the benefits of embracing the ...

Top of the list is MATT KUCHAR, who arguably merits favouritism, based on factors ranging from his form and class to his ...

When world-famous cellist Yo-Yo Ma turned 70 a month ago, on Oct. 7, he asked a question that stopped me mid-scroll: “In the year 2100, my youngest grandchild will be 76. What kind of world will she ...

These 8 charming places offer beauty and budget-friendly living! Welcome to Dunnellon, where the Rainbow River sparkles like liquid diamonds and your bank account can actually keep some sparkle too.

These 8 delightful towns offer relaxation and peaceful escapes! Welcome to Dunnellon, where the Rainbow River flows like liquid stress relief and your worries dissolve faster than sugar in sweet tea.

Researchers have combined the Dijkstra and Bellman-Ford algorithms to develop an even faster way to find the shortest paths ...

As I settled into a pace, I had another question in the back of my mind: how long does it take to get faster? While I’m not ...

In TODAY.com's Expert Tip of the Day, a trainer shares how even short bursts of activity can improve your health, especially ...

Ready to run? Before you get going, keep this in mind: A good running route is integral to a successful endurance workout.