Astronomers measure heaviest black hole pair ever found

Using archival data from the Gemini North telescope, a team of astronomers has measured the heaviest pair of supermassive black holes ever found. The merging of two supermassive black holes is a phenomenon that has long been ...

AI chatbots not ready for election prime time, study shows

In a year when more than 50 countries are holding national elections, a new study shows the risks posed by the rise of artificial intelligence chatbots in disseminating false, misleading or harmful information to voters.

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