Russian threats of economic reprisals could hurt U.S. firms -- and Russia itself.
Markets are spiking because of fears Putin will use energy as a weapon. Here's why he won't.
Ukraine's new leaders took down a president. Can they rebuild their country?
Why the United States needs strong ties with Canada and Mexico -- now more than ever.
Secret Energy Dept. report says boondoggle to handle Cold War plutonium will cost billions more.
A spike in Iran's oil exports raises fears Tehran will be less likely to cut a permanent nuclear deal.
But that doesn't mean a fusion reactor will be coming anytime soon.
Why lawmakers from both parties, and plenty of countries overseas, are desperate to speed up U.S. energy exports
The water shortage hammering California is bad news for power prices - and for the state's emissions goals.
Why an upsurge in terrorism in the Sinai Peninsula raises fears for the Suez Canal.
Forget Somalia, the world's new epicenter of piracy is on the other side of Africa.
Why unbridled oil consumption in the Middle East could pose a threat to the region and beyond.
Europe is worried it can be a clean-energy paradise or a competitive economy -- but not both.
By lashing out at Turkey and Kurdistan, Baghdad could make a tense situation worse.
Tokyo is looking for new energy supplies after Fukushima. And that could mean bad news for Beijing.
A possible energy deal between Russia and Iran could torpedo U.S. nuclear talks with Iran
Can you stop the bomb's spread by making it easier to cut nuclear deals?
Energy execs and a powerful senator say it's time -- even though the U.S. still doesn't drill enough to supply itself.
Financial sanctions may have forced Iran into nuclear talks. They’re also unfair and undemocratic, European courts say.
The expansion of the Panama Canal is on hold -- and so is the U.S. dream of sending energy to Asia.
In 2013, Venezuela's Bolivarian Revolution survived the death of Hugo Chávez. Now his successor, President Nicolás Maduro, confronts his toughest challenge yet: an economy on the brink. The latest in our series of Lab Reports on Venezuela.
The race is on to exploit off-shore energy around Israel, Syria, Lebanon, and Cyprus -- and Moscow is crashing the party.
Energy is supposed to be Africa’s future. But when violence erupts in South Sudan and elsewhere, the pipelines can quickly run dry.
The next head of the Senate Energy Committee has big plans for U.S. gas exports.
How the opening of Mexico's state oil monopoly could spell the end of Keystone XL.