Using 59 days of data, the underground JUNO observatory sharpened two neutrino oscillation parameters by a factor of 1.6, a debut result its builders say proves the detector is ready for its main goal.

A robotic survey of the southeastern Indian Ocean found 476 whale fossil sites and five living whale-fall ecosystems down to 7,001 meters, the deepest such habitats on record.

Sensor Tower estimates OpenAI's chatbot became the fastest app ever to hit one billion monthly users, even as graduates jeer AI at commencements and rivals Claude and Meta AI grow several times faster.

Locked out of China's GPU market by export controls, Nvidia is offering Chinese cloud companies its new Arm-based Vera processor instead, with first deliveries possible in August.