U.S. President Donald Trump signs an executive order about tariffs increase in the Oval Office of the White House in Washington, D.C. Kevin Lamarque/Reuters President Donald Trump has announced ...

OpenAI unveiled an updated version of its AI system GPT-4o that can generate more realistic images, the result of a year-long effort with human trainers. GPT-4o replaces DALL-E 3 as the default ...

A team of international researchers has developed a new record-breaking transparent solar cell with an efficiency of 12.3%. The solar cell combines perovskite and organic layers and has a ...