China's Tiangong Ultra humanoid robot ran a 100m sprint in 9.39 seconds, hitting 23.8 mph before skidding into a padded wall. It's still nowhere near Usain Bolt's 9.58, but it's a big jump for a machine that has to balance while doing it.

Off Earth, Webb turned up a fresh haul of discoveries its team is calling a treasure chest, while a separate JWST look at Callisto is reading the moon's ancient impact scars. Closer to home, ESA's Sentinel-1 radar caught a major ice loss event on a Greenland glacier, and the agency's new photosynthesis-monitoring satellite just got fueled ahead of launch. DeepMind published a retrospective tying its game-playing research, from Atari to EVE Online, into 15 years of one continuous thread.

On the ground: the US finally has a modular smartphone built to be repaired by its owner, a milestone for the right-to-repair crowd. And in AI, Simon Willison flagged a pointed critique that Anthropic's top model is struggling to win users against cheaper alternatives, even as a mysterious new 'stealth model' called Ox Alpha turns up on leaderboards with no clear maker attached.