Every online bank transfer, private message and Bitcoin transaction rests on the assumption that some math problems are ...

Quantum computing won’t break Bitcoin in 2026, but attackers are already preparing. Here’s how crypto is moving toward post-quantum security, and how ready it is.

Android now has its own answer to Apple’s AirDrop, and it finally works across the iPhone divide as well as between laptops ...

The best VPNs can make your online life more private with software that's convenient and cheap — sometimes even free. While keeping your IP address invisible, you can use your VPN to explore streaming ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official — a shift ...

The Chicago Manual of Style is an American English style guide published by the University of Chicago Press. The Manual’s guidelines for publishing, style and usage, and citations and indexes—known as ...