The computer, at its core, is an input-output device: it receives instructions, executes programmes, performs calculations automatically and produces results.By this fundamental definition, China's ...

Chinese scientists' claims that their "Sky Eye" telescope could have picked up signals from intelligent aliens have been met with skepticism by an American colleague. Claudio Manuel Neves-Valente ...

A newly discovered promoter element "start" points to a shared regulatory syntax for controlling transcription initiation in bacteria, archaea, and eukaryotes. DNA is often described as the language ...

After launching in October, Google is rolling out a suite of new Android XR features for Samsung’s Galaxy XR, led by PC Connect. Google today announced PC Connect to link a Windows computer with ...

Google’s introducing PC Connect, for streaming your computer’s display to an Android XR headset. PC Connect supports multiple computers, letting you jump from one to another. Beta access to PC Connect ...

The Pentagon's watchdog has concluded that U.S. Secretary of Defense Pete Hegseth risked endangering American troops when he shared sensitive information on the messaging app Signal earlier this year, ...

It's "not a crime. It is just poor judgment," one expert said. Eight months after Defense Secretary Pete Hegseth typed up detailed military plans to attack Houthi rebel sites in Yemen then shared them ...

Want more deals? Visit CNN Underscored’s Guide to Cyber Monday for wall-to-wall coverage of the best discounts to be found during the biggest shopping event of the year. If you’ve somehow slept ...

Want more deals? Visit CNN Underscored’s Guide to Black Friday for wall-to-wall coverage of the best discounts to be found during the biggest shopping event of the year. Our favorite Windows laptop is ...

Editor's Note November 28, 2025: Since we first published, Black Friday laptop deals have stayed pretty consistent, with most models maintaining their current price and discount. That being said, the ...

I test laptops for a living and I've found several worthwhile laptop deals this Black Friday, with huge discounts on MacBooks and other high-end models. When you purchase through links on our site, we ...

American geologist and astronaut Harrison Hagan Schmitt takes rock samples from the surface of the moon during America's last lunar landing mission of the 20th century, Apollo 17, December 1972.