Comparing the U.S., China, and Russia reveals how money, technology, and global reach matter more than sheer force size in modern warfare.

The Trump administration has repeatedly said the U.S. should be in control of Greenland, which is part of Denmark and NATO.

China reportedly builds satellite facilities across Africa and Latin America, extending its Belt and Road strategy to space ...

The president and his national security advisers contemplated striking Iran but backed away as costs loomed and Middle East allies lobbied for restraint.

STUTTGART, Germany — U.S. support for NATO, Ukraine and a larger American military is on the rise, according to a new survey that also found strong public backing for bombing suspected drug ...

For decades, the United States has relied on aircraft not just to fight wars, but to project power across the globe faster ...