The founder of Signal has been quietly working on a fully end-to-end encrypted, open-source AI chatbot designed to keep users’ conversations secret. In a series of blog posts, Moxie Marlinspike makes ...

Researchers have discovered a brain activity pattern that can predict which people with mild cognitive impairment are likely to develop Alzheimer’s disease. Using a noninvasive brain scanning ...

President Donald Trump’s approval rating is down in a third poll this week that also found the majority of Americans say he’s performed below expectations since taking office. U,S. President Donald ...