Ukraine, separatist rebels agree on major prisoner exchange

Hundreds of volunteers have been on the phones at an Air Force base in Colorado, answering questions from eager kids who want to know where Santa is on his storybook Christmas Eve travels. Hundreds of volunteers have been on the phones at an Air Force base in Colorado, answering questions from eager kids who want to know where Santa is on his storybook Christmas Eve travels.

Tasmanian connection to WWI submarine, found after 103 years

FAMILY TIES: Daisy Baker, in 2014 on the 100-year anniversary of the disappearance of AE1, with a picture of her great-great-uncle Cyril Lefroy Baker. Battery ventilation trunks of HMAS AE1, which has been found after 103 years in waters off the Duke of York Island group in Papua New Guinea.

Canadian orchestra launches probe after Dutoit allegations

Hundreds of volunteers have been on the phones at an Air Force base in Colorado, answering questions from eager kids who want to know where Santa is on his storybook Christmas Eve travels. Hundreds of volunteers have been on the phones at an Air Force base in Colorado, answering questions from eager kids who want to know where Santa is on his storybook Christmas Eve travels.

15 arrested in connection with Egypt’s church attack

Hundreds of volunteers have been on the phones at an Air Force base in Colorado, answering questions from eager kids who want to know where Santa is on his storybook Christmas Eve travels. Hundreds of volunteers have been on the phones at an Air Force base in Colorado, answering questions from eager kids who want to know where Santa is on his storybook Christmas Eve travels.

New contact detected in search for vanished Argentine submarine

The US Navy's research vessel Atlantis deploys the cable-controlled Undersea Recovery Vehicle off the coast of Comodoro Rivadavia, Argentina, as part of the search for the missing San Juan submarine AFP/HO BUENOS AIRES: A sonar search for the Argentine submarine that disappeared on Nov 15 with 44 crew members on board has made a new contact in the South Atlantic, according to the navy. It will be investigated by the remotely-operated Russian Panther Plus submarine, while the US oceanographic research vessel Atlantis continues exploring the search area, the navy announced Saturday.

Russia undersea activity rising, NATO chief says

Russian submarines have dramatically stepped up activity around undersea data cables in the North Atlantic, part of a more aggressive naval posture that has driven NATO to revive a Cold War-era command, according to senior military officials. The apparent Russian focus on the cables, which provide Internet and other communications connections to North America and Europe, could give the Kremlin the power to sever or tap into vital data lines, the officials said.

A Pentagon program tried to find out, and the answer seems to be far from conclusive

In an undated handout image taken from a video released by the Defense Department's Advanced Aerospace Threat Identification Program, a 2004 encounter near San Diego between two Navy F/A-18F fighter jets and an unknown object. UFOs have been repeatedly investigated over the decades in the United States, including by the American military.

This Christmas Eve, remember America’s winter soldiers

As your family sits down to enjoy a meal together this Christmas, spare a thought or prayer for families who have an empty seat at their table where a brave son, daughter, husband, or wife would sit if they were not serving overseas in the military. Because America enjoys relative peace this Christmas, it's easy to forget that we are still a country at war.

Are UFOs real? A look at the recently revealed Pentagon program that tried to find out

In the $600 billion annual Defense Department budgets, the $22 million spent on the Advanced Aerospace Threat Identification Program was almost impossible to find. For years, the program investigated reports of unidentified flying objects, according to Defense Department officials, interviews with program participants and records obtained by The New York Times.

This day in history, Dec. 23, 2017

On Dec. 23, 1967, President Lyndon B. Johnson, on his way home from a visit to Australia and Southeast Asia, held an unprecedented meeting with Pope Paul VI at the Vatican; during the two-hour conference, Johnson asked the pope for help in bringing a peaceful end to the Vietnam War. In 1788, Maryland passed an act to cede an area "not exceeding ten miles square" for the seat of the national government; about two-thirds of the area became the District of Columbia.

Photos: See the world’s most powerful rocket – all 27 engines – before it launches

SpaceX's three-core, 27-engine Falcon Heavy flagship rocket appears to be nearing full assembly at Kennedy Space Center, according to new photos released by CEO Elon Musk. Photos posted by the billionaire entrepreneur on Wednesday show the 40-foot-wide rocket in a hangar near KSC's pad 39A, the legendary launching point for Apollo and space shuttle missions, but more recently single-core Falcon 9 launches.