Oklahoma

Certain oil and gas operations that involve injecting wastewater underground can cause earthquakes, but the risk from hydraulic fracturing is generally low, said a US scientific report Friday.

The US State Department on Friday launched an environmental review of a new route proposed for the controversial Keystone XL pipeline that would transport oil from Canada's tar sands.

A top leader of Mexico's feared Zetas drug gang was among 14 cartel members indicted in the United States for money laundering after a raid Tuesday which nabbed his brother, officials said.

Police have arrested 190 people and rescued 18 children in a major US crackdown on child pornography, including some detained in Europe and elsewhere, judicial authorities said Friday.

Was alleged Canadian "psycho killer" Luka Rocco Magnotta inspired by Hollywood? That's a growing question fueled by multiple clues surrounding the grisly murder of a Chinese student.

Police have arrested 190 individuals, and identified and rescued 18 children, in a major crackdown on child pornography last month, US Immigration and Customs Enforcement said Friday.

The Oklahoma City Thunder are on the verge of reaching the NBA finals after beating San Antonio 108-103 with 27 points from Kevin Durant in game five of their Western Conference series.

The US House of Representatives rejected legislation Thursday put forward by pro-life Republicans that would have outlawed abortions based on the sex of a fetus.

The House of Representatives was set to vote Thursday on legislation put forward by pro-life Republicans that would outlaw abortions based on the sex of a fetus.

Manu Ginobili scored 26 points and the San Antonio Spurs turned it on in the fourth quarter to beat Oklahoma City 101-98 in the first game of the NBA Western Conference Finals.

NBA Most Valuable Player LeBron James and veteran Dwyane Wade are firing on all cylinders as the Miami Heat seek a return to the NBA Finals when they face Boston for the Eastern Conference title.

The Oklahoma City Thunder punched their ticket to the Western Conference finals, eliminating the Los Angeles Lakers in five games with a dominating 106-90 victory night.

Kevin Durant hit the go-ahead three pointer with 13 seconds left to lift the Oklahoma City Thunder to a 103-100 win over Los Angeles to put the Lakers on the brink of elimination.

Oklahoma Rep. James Lankford is claiming he was ambushed by progressive blog ThinkProgress.com over the issue of gay protections. Oklahoma Rep. James Lankford is claiming he was ambushed by progressive blog ThinkProgress.com over the issue of gay workplace protections. On Monday, ThinkProgress.com posted a short clip of Lankford saying that the being gay ?is a choice issue? under a headline that suggested he believes it should be legal to fire someone for being gay. When asked if he supports a law that says ?you can't fire someone for their sexual orientation ? similar to protections for people on race or gender?? Lankford answered: ?Well, you're now dealing with behavior and I'm trying to figure out exactly what you're trying to mean by that. Because you're dealing with ? race and sexual preferences are two different things. One is a behavior-related and preference-related and one is something inherently ? skin color, something obvious, that kind of stuff. You don't walk up to someone

Responding to President Barack Obama's Wednesday announcement in support of gay marriage, Mitt Romney reiterated his opposition. Responding to President Barack Obama's Wednesday announcement in support of gay marriage, Mitt Romney reiterated his opposition. Obama told ABC News' Robin Roberts: ?I've concluded that for me personally it is important for me to go ahead and affirm that I think same sex couples should be able to get married.? The president had previously said he supported civil unions and was ?evolving? on marriage for gay couples. At a press conference in Oklahoma, presumed GOP nominee Romney reacted to Obama's historic endorsement. ?My view is that marriage itself is a relationship between a man and a woman, and that's my own preference. I know other people have differing views,? said Romney. When asked if he thought Obama had flip-flopped on the issue, Romney calmly responded: ?You're a better judge of that than I.? ?If that's the case,? he added, ?you'll be able to make

The UN special rapporteur on the rights of indigenous peoples has called on the United States to mitigate the "sense of loss" among the Native American community by restoring some tribal lands.

A Canadian firm has reapplied for a US permit to build a multi-billion dollar Canada-US oil pipeline, after its first proposal was rejected over environmental concerns, both sides said Friday.

Underneath the ground in southwestern Pennsylvania, bedrock is put under explosive pressure to fracture and spill out its lucrative cache of natural gas.

Six people were dead Monday after more than 100 twisters tore through a wide swath of the central United States over the weekend, leaving a trail of devastation from Texas to Wisconsin.

Residents picking through their damaged homes braced for more tornadoes across the US Midwest Sunday after dozens touched down in the region, killing five people in Oklahoma.