Upgrades will cut carbon pollution, but even with tax credits, it can be difficult to save money. Warning: This graphic requires JavaScript. Please enable JavaScript ...

Historian Ron Chernow’s latest work may surprise readers who know him best for the book which inspired the musical “Hamilton” and for his biographies of George Washington and Ulysses Grant ...

Even in swing districts, House Republicans have become much more significantly ideological.

Military history buffs in London were probably perplexed to see the statue of George Washington, a gift presented by the ...

Digging deeper: Ultraconservatives are pushing for a pope like them, but Francis shaped the conclave to reflect a changing church. It’s a secret process, but here’s how it works. Canada’s new prime ...

New polling shows how people in different nations view the war’s end — and the chances of a new war.