Webb's deepest spectrum of a 'little red dot,' GLIMPSE-17775, points to a supermassive black hole cloaked in dense gas, a possible answer to two cosmic puzzles.

Days after its $2 trillion listing, Musk's SpaceX is paying $60 billion for the maker of Cursor, a bet on AI coding where his Grok has lagged rivals.

On a tidally locked gas giant, Webb told dawn from dusk, finding the evening edge hotter and the air chemistry different across the planet's two faces.

NASA's lunar lander leans on one main engine for descent and ascent. A Chinese engineering team argues that staking astronauts' lives on a single point of failure is a flaw worth fixing.

Blocking the enzyme 15-PGDH regrew hyaline cartilage in old mice and stalled arthritis after ACL-type injuries. Human tissue responded too — but this is still a mouse study.

Jeff Bezos's once-stealth physical-AI startup emerged at a $41 billion valuation, promising to compress engineering work the way large language models compressed text. The specifics stay locked up.

A government letter arrived Friday evening. Hours after going live, Anthropic's most capable models went dark for every user, citizen or not.

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.