IN 2015, ALBUQUERQUE delivered as much water as it had in 1983, despite its population growing by 70 percent. In 2016, Tucson delivered as much water as it had in 1984, despite a 67 percent increase in customer hook-ups. The trend is the same for Phoenix, Las Vegas and Los Angeles, said longtime water policy researcher Gary Woodard, who rattled off these statistics in a recent phone interview.

Stem cells are a crucial part of modern medicine and can be used to treat a wide variety of medical conditions. Now researchers at University of Nevada, Las Vegas have discovered a new way of harvesting these all-important biological cells by (get ready to wince!) extracting them from the root pulp inside every tooth.

Capital Bureau Chief Ben Adler previews Gov. Jerry Brown signing the "sanctuary state" legislation.

Next door to the Mandalay Bay casino where Sunday night's shooting rampage occurred on the Las Vegas strip, British tourist Gary Shepherd was struggling like nearly everyone else to process what happened.

A federal judge in Las Vegas on Friday will consider a motion to delay the start of next week's high profile trial of Nevada rancher Cliven Bundy and his militia associates.

After violence pierces U.S. cities and towns, Americans come together. Later politics can drive them apart.

A chain of solidarity was formed to help people affected by the massacre.

Las Vegas shooter Stephen Paddock killed Sunday 58 people and injured nearly 500 others. But he has also traumatized a whole city, which now seeks to relieve his anguish.