Officials plan to take a year assessing the pros and cons of constructing a crossing beneath the Knick Arm to link Mat-Su ...

A new $1 million study is set to evaluate the feasibility of building a tunnel underneath Knik Arm to connect Anchorage to ...

During construction work in a city of central France, archaeologists uncovered a tunnel opening and found a system of ancient Roman passageways. Photos show what remains of the underground structures.

Consumer sentiment has hit its highest point in three and a half years, buoyed by declining gas prices and falling auto loan ...

A new high-tech facility in the United States is expected to address issues in hypersonic research and testing. The Mach 10 ...