A federal judge in Chicago is the latest to weigh in on still-disputed legal questions about whether law enforcement can order suspects to put their fingers on fingerprint sensors to unlock a smartphone.

Silicon Valley is a uniquely American creation, the product of an entrepreneurial spirit and no-holds-barred capitalism that now drives many aspects of modern life.

Revelations that US personnel were hit by invisible attacks in Havana's Hotel Capri re-opened a medical mystery that had haunted Chris Allen for 3 years. While at the hotel he developed sudden-onset numbness and is convinced he was hit, too.

Security researchers have discovered a Wi-Fi network vulnerability that could allow attackers to steal sensitive information or spread malicious software while someone is logged into a computer or mobile device.

Facebook's effort to limit the spread of fake news using outside fact-checkers appears to be having an effect - although that finding comes with a major caveat.