The defense secretary annoyed Donald Trump with a favor for Elon Musk. Hegseth’s problems only grew from there.

Japan is expanding its missile capabilities and military presence near China as part of a strategic buildup. With concerns ...

U.S. authorities warned in December of a sprawling Chinese hacking campaign designed to gain access to the texts and phone ...

Cybersecurity investigators noticed a highly unusual software crash — it was affecting a small number of smartphones ...

Foreign hackers have increasingly identified smartphones, other mobile devices and the apps they use as a weak link in U.S.

Defense Secretary Pete Hegseth's inflammatory social media post that he is ready and willing to send Marines into Los Angeles ...

From the flip-flop on tariffs to disagreements with Elon Musk and yet another truce with China, multiple issues in the Trump ...