This video explores five eerie historical mysteries, but one case stands above the rest for pure shock value. Ancient Chinese stories claim beings from another star system invaded Earth, controlled ...

China’s Mars orbiter, Tianwen-1, took the first close-up pictures of Comet 3I/Atlas, which has been in the news for a couple of months now. So, do these pictures give scientists some information about ...

Plus: AI fakes of the Iran war are flooding X—and Grok is failing to flag them. This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the ...