As U.S. allies fear President Trump may begin to cut age-old ties, South Korea reconsiders becoming a nuclear power.

Analysts agree that Russia’s losses in the war have been far higher—but the Ukrainian military is unable to replace its casualties at nearly the same rate.

Overall, the Russian military enjoys a better position today. The Kremlin has the men, munitions, and political power to take on a greater number of casualties.

By creating a new state of matter, Microsoft’s engineers have ensured their quantum computer is truly one-of-a-kind.

The Soviet Mi-24 was a testament to the Soviet preference for brute force and power over finesse or whiz-bang technological wizardry.

President Donald Trump’s first month in office has been a whirlwind of disruption and reevaluation—suggesting that nothing is sacred, nothing is beyond reforming, cutting, or downright disposing. Now, ...

As a “family of systems,” NGAD is expected to include a manned sixth-generation stealth fighter and a mass of Collaborative Combat Aircraft (CCAs) that will serve the jets as loyal drone wingmen.