September 10, 2019
U.S. space exploration inspired a generation of students and innovators, but NASA’s role has diminished, and the number of global space competitors is growing.
July 2, 2019
Western leaders have long criticized OPEC’s power to raise oil prices, but the bloc’s influence is on the wane as U.S. oil production has soared and alternative energies have come to the fore.
February 15, 2019
U.S. troops have been sent to the border with Mexico to supplement the work of Border Patrol agents amid debate over the merits of building a wall. Here are the facts.
February 26, 2018
Charges of foreign power interference in the U.S. presidential election have raised grave national security concerns and touched off multiple federal inquiries that could drag on for months.
August 28, 2014
Tens of thousands of unaccompanied minors, mostly from Central America, are arriving in the United States illegally, adding severe stress to an immigration system already in need of a major overhaul…
October 14, 2010
A possible transfer of political power in the congressional midterm elections could doom short-term chances for a comprehensive climate bill. But experts say climate issues could still be addressed t…
February 23, 2010
Debating global warming policy has moved to the top of agendas worldwide, but some skeptics still question whether action is necessary or possible.
January 16, 2007
Democratic congressional leaders say improving energy security is a priority. But while there is broad interest in lessening U.S. dependence on foreign oil and in promoting renewable fuels, comprehen…
September 14, 2006
Although it seems clear the United States will not change its current position and sign onto the Kyoto treaty, some U.S. companies are starting to push for mandatory federal regulations on greenhouse…
December 16, 2005
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IntroductionBolivian voters head to the polls December 18 to vote for a new president to lead one of Latin America’s poorest, most divided countries. The frontrunner…