A proposed third tram line in Edinburgh has been revealed, but the council says delivery could still be 20 to 30 years away.

Proposed merger of two rail networks faces a lengthy deliberation from the Surface Transportation Board, David Murray writes.

In back-to-back tragedies, two women in their 70s were killed by a falling tree in Olympic National Forest and 2 climbers ...

At least 22 deaths were attributed to the weekend’s snowstorm. More than 700,000 homes and businesses, particularly in the South, remained without power on Monday, and officials said it could take ...

A new artificial intelligence approach combines deep learning with physical modeling to extract detailed aerosol properties from complex satellite observations. By learning how light intensity and ...

Follow as a winter storm is expected to bring heavy snowfall, icy roads and cold temperatures from the southern states to the ...

Iran’s top prosecutor called Donald Trump’s claims about halting the hangings of 800 detained protesters “completely false.” ...

BRUSSELS (AP) — The cold, hard reality facing any U.S., NATO or European plans for Greenland is the ice. It chokes harbors, ...

Ski mountaineering set to debut at Milan-Cortina Olympics that start Feb. 6, other sports lining up for future Winter Games.

Continuing our three-part analysis of the homeland security landscape, Homeland Security Today now presents Part II of the Threat Forecast for 2026.

How does that make sense?” Russian President Vladimir Putin said, two hours into his Dec. 19 press conference at the Kremlin.  Your answer to that question depends on which of two parallel realities ...

After NASA conducted its first medical evacuation from the International Space Station, the astronauts are expected to ...