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

Richard Fishacre challenged the scientific orthodoxy of his day, and contemporary astrophysics has vindicated his position.

Cell movement is an essential biological process, whether it's cancer cells metastasizing to other parts of the body or ...

Want tour-level distance control with your wedges? This three-step guide will help you dial in these key scoring clubs.

Having good neighbors can be very valuable—even in the atomic world. A team of Amsterdam physicists was able to determine an ...

Everyone needs a little help being a human. From sleep to saving money to parenting and more, host Marielle Segarra talks to experts to get the best advice out there. Life Kit is here to help you get ...

The Virginia Institute of Pastoral Care is a pastoral counseling center open to everyone. There is a place for you here— whether you practice a faith tradition or are searching, whether you are ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International stock ...