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

Led by Texas A&M archaeologists and supported by the U.S. Defense POW/MIA Accounting Agency, the mission combines underwater technology with humanitarian effort to identify aviators lost in the Baltic ...

New research from the University of Waterloo is making inroads on one of the biggest problems in theoretical computer science ...

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging ...