A Texas startup has raised $91m to build a rocket engine most of the industry once wrote off as too hard. Venus Aerospace announced a $91m Series B to develop its Rotating Detonation Rocket Engine, or RDRE. Mercury Fund led the round. The backers read …
The nuclear age has quietly reached commercial spaceflight. City Labs, a Miami firm, has launched BOHR, which it calls the world’s first commercial nuclear-powered satellite and the first nuclear CubeSat. The craft is about the size of a softball. It f…
SpaceXAI has launched Grok 4.5, its most capable model yet. It is the company’s first release since going public and buying the AI coding startup Cursor. This is the joint model the two firms had raced to ship. Elon Musk aimed it squarely at coding and…
A Meta contractor flushed a rare, potentially deadly bacterium into Cheyenne’s wastewater system. The Wyoming city has now suspended all data centre discharge, a fresh flashpoint in the fight over AI’s thirst for water. Officials in Cheyenne, Wyoming, …
Smart-collar maker Fi is putting Starlink in a dog collar. Its new Fi Ultra taps SpaceX’s direct-to-cell satellites. A bolting dog stays trackable even where phone towers cannot reach. The next device to run on satellites is not a phone. It is a dog co…
A Paris startup wants to loosen Nvidia’s grip on AI, not with a new chip, but with software. ZML has released a free tool that runs open-source models fast across Nvidia, AMD, Google, Apple and Intel silicon alike. Nvidia still rules AI hardware, but i…
Apple has begun testing memory chips from China’s state-backed CXMT for devices sold in China, the Financial Times reports. That puts it behind a supplier Washington has flagged as a security risk. Apple has turned to Chinese memory chips for its own d…
A Korean chip startup wants to sell Europe a cooler, cheaper alternative to Nvidia. Its first “renegade” accelerators just went live in a Lisbon datacentre. FuriosaAI has switched on its RNGD AI accelerators in Europe. The South Korean startup is insta…
Geothermal used to mean shallow wells and modest heat. Quaise wants to drill kilometres down and blast the rock with microwaves, and it just raised $134 million to try. Quaise Energy has raised $134 million to drill for superhot rock deep underground, …
Munich-based Proxima Fusion has raised €411mn ($468mn), the largest private fusion round Europe has ever seen and a rare vote of confidence in a technology that has yet to produce a watt of commercial power. The deal values the stellarator company at €…