Given a particle in Euclidean space, a central force is a force that points toward or away from the origin and depends only on the particle’s distance from the origin. If the particle’s position at ...

Math and physics explain the anguish of a golf ball that zings around the rim of the hole instead of falling in.

Teaching students to put aside their differences until they’re feeling calm can help them learn to resolve issues independently.

Portland Trail Blazers coach Chauncey Billups and Miami Heat guard Terry Rozier were arrested on Thursday as part of two separate illegal gambling-related cases, the FBI confirmed. Billups, Rozier and ...