Meet the guardian of the galaxy
When a disaster of a mega-proportion hits a city - from a terror attack to a hurricane - there are procedures in place to deal with the aftermath. Suggest that the source of a serious humanitarian crisis could lie in outer space, however, and many will assume you are talking science fiction.
On the way to Pluto
NASA's New Horizons explorer is hurtling through space on its way to the outermost reaches of the solar system for a rendezvous with the small, icy "dwarf planet" of Pluto and its five moons.
Rosetta orbits comet
After a 10-year chase taking it billions of miles across the solar system, the Rosetta spacecraft made history Wednesday as it became the first probe to rendezvous with a comet on its journey around the sun.
Drugs 'as American as apple pie'
Heroin use has surged in cities across the U.S. CNN joins Detective David Betz as he and a confidential informant work to get illegal drugs off the streets.
'It's just a very, very sad place'
How do parents of addicts help their children without enabling them? CNN's Kelly Wallace gets a painfully honest look at what it's like to be in this situation.
Adam's story: 63 pills a day
The modest clinic on Milpas Street in laid-back Santa Barbara, California, was well known to patients seeking powerful pain medication.
Grandmother's hooked on heroin
Cynthia Scudo was a mother and a grandmother who worked full-time. But behind her all-American image was a dark secret that could have killed her.
Your brain on heroin
Sanjay Gupta explains what happens to your brain on opiates, the key ingredient in heroin and other powerful narcotics.
How to get help for addiction
Facing the reality that "I need help" and knowing where to actually get it are crucial initial steps for anyone battling prescription drug addiction. The process to recovery can be one ridden with pain, denial and shame.
Can levitating appliances take off?
Ger Jansen is puzzling about how to fit a windshield. His problem is not installing it in a car, but hanging the glass in thin air and keeping it hovering for a prolonged display.
Yazidi boy finds hope in U.S.
Azwan Elias arrived in America this summer filled with excitement and eagerness to learn. Everyone who knows him says he is wise beyond his 17 years, that he is destined to lead others in his restive homeland of Iraq.
NFL: Lifetime ban possible for domestic abuse
The NFL is immediately implementing a sweeping domestic violence initiative that calls for a six-game suspension for a first offense and a lifetime ban from the league for a second offense.
Mattingly: Emotions may be hampering Puig
The Los Angeles Dodgers have become concerned enough about Yasiel Puig's nearly monthlong batting slump that manager Don Mattingly held him out of the starting lineup for Friday night's game in San Diego.
Weaver outduels Lester as Angels up lead
Jered Weaver outpitched Jon Lester, Albert Pujols hit his 516th career homer and the Los Angeles Angels beat Oakland 4-0 on Friday night, extending their AL West lead over the A's to three games.
Mariners' Montero gets into fight with scout
Jesus Montero will not play baseball again this season for the Seattle Mariners' organization after a heated confrontation in the stands with a team scout during a minor league game in Boise, Idaho.
Report: Group boots Bon Jovi from Bills bid
With bidding for the Buffalo Bills entering its final stages, rocker Jon Bon Jovi reportedly has parted ways with the Toronto-based group hoping to purchase the NFL franchise.
Sharapova wins, Venus ousted at US Open
Maria Sharapova reached the US Open's fourth round by taking five of the last six games after her opponent, Sabine Lisicki, was warned by the chair umpire about receiving coaching help.
Kingsbury to stick with Texas Tech through '20
Texas Tech and Kliff Kingsbury have agreed to a contract extension through 2020 that will pay $3.1 million in 2015 with a $200,0000 raise each year to $4.1 million in 2020, the school announced.
SEC: Vanderbilt cannot wear slogan in future
Vanderbilt's "Anchor Down" jerseys, which were the subject of controversy during the Commodores' season-opening game against Temple on Thursday night, will not be returning to the field.