Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight Center. Credit: NASA's Goddard Space Flight Center Producer & Director: James ...

Artificial intelligence (AI) company Perplexity has unveiled a new tool, "Perplexity Labs," which it describes as a "24x7 dedicated answering machine" for users. Labs can generate reports, ...

US District Judge Richard Leon struck down one of President Donald Trump 's most controversial executive orders in a fiery 73-page ruling on Tuesday.