A semiconductor device generates unforgeable watermarks from chaotic electron behavior, embedding invisible markers in images ...

Researchers at Penn State have developed a new fabrication method that allows a programmable ...

The best email encryption software can prevent hackers from scraping your emails for company contracts, financial records, and workplace credentials.

Whether it's a streaming service or a meditation app, subscription services can add up quickly, especially when you forget about canceling a free trial. Nearly a quarter of Americans spend over $100 a ...

Using a VPN, or virtual private network, is one of the best ways to protect your online privacy. We review dozens every year, and these are the top VPNs we've tested. I’ve been writing about ...

Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...