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Scientists — 2 from Japan and 1 from the U.S. — have won the Nobel Prize in physics for the invention of blue light-emitting diodes — a new energy efficient and environment-friendly light source.

Spain's health minister confirmed that a nurse who treated two Ebola victims has tested positive for the disease. She is the first person to contract Ebola outside of West Africa.

The Ebola outbreak created a demand for personal protective equipment. Clinics can go through hundreds of PPE suits a day. Manufacturers increased production but agencies say there's still a shortage.

Why measuring learning, not time, is the next big thing in higher ed.

Weather permitting, on Wednesday morning you'll be able to see the second lunar eclipse visible in North America in a series of four that runs through next year.

How can spouses divide the tax credits they receive when they buy different health plans from an insurance marketplace? And what do they tell the IRS?

As the U.S. presses on with airstrikes in Iraq and Syria, two teams tackled the motion "Flexing American Muscles In The Middle East Will Make Things Worse," in the latest Intelligence Squared debate.

It's tempting to seek out the mac and cheese or a pint of ice cream after a terrible, horrible, no good day. But fresh research suggests such comfort foods might not be mood boosters after all.

The 9th Circuit Court issued its ruling after the Supreme Court gave tacit approval to three other circuit court decisions that overturned gay-marriage bans.

Donovan holds the U.S. men's national team record with 57 goals. Head coach Jurgen Klinsmann famously left him off the World Cup roster, but this is a nod of appreciation.