Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more.

Triangle defies downward venture capital trend – a look at the numbers in 6 charts, VC players weigh in ...

A triangle is a continuation pattern used in technical analysis that looks like a triangle on a price chart.

The price broke out from an ascending triangle on above-average volume ... which also closely aligns with a series of peaks that formed on the chart between August and November last year.

The Science Channel has ordered “Curse of the Bermuda Triangle,” a new investigative series about the mysterious region famous for its long history of lost ships and missing persons ...