X-ray spectra provide sharpest image to date of a rapidly spinning black hole

The X-Ray Imaging and Spectroscopy Mission (XRISM), a joint mission between the Japanese Aerospace Exploration Agency (JAXA) ...

Elon Musk's X limits some sexual deepfakes after backlash, but Grok will still make the images

NBC News asked Grok in its standalone app, the Grok X tab and website to transform a series of photos of a clothed person who ...