Mathematicians say knots cannot exist in four-dimensional space because the extra dimension allows a rope to move around itself and untangle, revealing surprising insights into geometry and topology.

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

The SpaceMath@NASA mathematics resource for teachers and students recently achieved a landmark number of downloads. On Feb. 23, 2011, a visitor downloaded the 3 millionth mathematics problem set from ...