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AI avatars of dead people are teaching courses and testifying in court. Even with the best of intentions, the emerging practice of AI 'reanimations' is an ethical quagmire.

Measurement standards underlie most fields of science - without them, researchers couldn't compare the results of different studies.

AI's advantage over humans comes down to 4 dimensions: speed, scale, scope and sophistication. Whether AI can replace you depends on how much one or more of the S's matter in what you do.

Mars isn't a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially from afar.

Researchers discovered a previously unknown function of RNA, potentially opening the door to new ways to treat cancer and neurodegenerative diseases.

President Trump's executive order calling for AI literacy highlights its importance. The order also underscores its amorphous nature. Here's how to develop and measure effective AI literacy programs.

AI tools that provide information to you also gather lots of information from you and may provide it to third parties.

People have long assumed that wheels evolved from simple wooden rollers. But how? And why? A new model focused on mechanical advantage and structural strength suggests some answers.

End-of-life planning today includes making sure your loved ones have access to digital photos, email archives and social media accounts.

Current treatments for alcohol abuse are limited in their effectiveness and come with side effects. Precisely targeting the neurons involved in binge drinking could lead to better options.