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Physicist Charles Townes died Tuesday. He was a key inventor of the laser and won the Nobel Prize for his discovery in 1964. But his career didn't end there.

At a children's hospital in Nashville, Tenn., a mobile maker space allows patients to share materials and tools to build new things, while also teaching them about math and science.

The mysterious death of an Argentine prosecutor has renewed scrutiny of the country's Intelligence Secretariat, which conducts domestic surveillance on a scale reminiscent of the former Soviet Union.

The prosecutor of an infamous 20-year-old bombing, who died recently under shady circumstances, is being buried on Thursday. Alberto Nisman goes to his grave as a controversial and enigmatic figure.

While the aircraft has yet to be found, the government also said it presumes all 239 people onboard are dead.

The third-grader allegedly refused to observe a minute of silence in school following the attack on Charlie Hebdo. Police say he also expressed solidarity with the gunmen. He has not been charged.

The country's new government says it is thinking of a new investigation into reports of extrajudicial killings in the closing chapter of the island nation's 26-year civil war.

BILLINGS, Mont. (AP) — Oil pipeline accidents have become increasingly frequent in the U.S. as Congress pushes for approval of the Keystone XL pipeline.An…

LINCOLN, Neb. (AP) — Nebraska's civilian and military retirees are once again asking lawmakers for tax breaks, saying a package approved last year didn't…

OMAHA, Neb. (AP) — Nebraska Republican Ben Sasse has been named chairman of the U.S. Senate Agriculture Committee's Subcommittee on Livestock, Marketing,…