Three researchers Tuesday shared the Nobel Physics Prize for inventions in the field of laser physics which have paved the way for advanced precision instruments used in industry and medicine, the jury said. Arthur Ashkin of the United States won one half of the prize, while Gerard...

At least seven people were killed in a suicide attack on an Afghan election campaign rally Tuesday, an official said, in the latest violence ahead of this month's legislative vote. Another 25 people were wounded when the militant blew himself up among supporters of parliamentary...

A team of ornithologists in Ecuador has identified a new species of hummingbird: a lovely blue-green creature that lives in a cold, barren highland area and is danger of extinction. Team leader Francisco Sornoza saw one of the birds through binoculars a year ago and had a hunch that it...

Canada's Justin Trudeau Monday hailed a new continental trade pact with the United States and Mexico as "profoundly beneficial" for Canadians -- but the prime minister must now sell the deal to skeptical dairy farmers, unions and voters. The 11th-hour deal was reached late Sunday after...