MainStreet’s valuation could fall 60% to $200 million amid investor recapitalization pursuit

Radar makes podcasts searchable — and usable by AI agents

Pacific Fusion’s next fusion machine could clear a key hurdle to commercial power; plus, Stability AI raises $76 million in fresh funding

AI data startup Micro1 reaches $500M gross run rate amid AI training boom; plus, Japanese space tech startup Letara expands beyond satellite thrusters

Apollo Atomics wants to make nuclear power cheaper by shrinking an overlooked part; plus, Detroit startup Grounded raises $5M to customize electric and gas-powered vans

AI isn’t close to curing cancer. Vivodyne says it knows what it will take; plus, TerraPower’s nuclear reactor has a secret weapon for powering AI data centers

DOJ’s probe into Andreessen Horowitz over board seats baffles VCs; plus, Etched’s valuation doubles to $21B in a month

Sound-powered fire protection startup gets $15M to snuff out fires before they turn catastrophic; plus, Wispr looks beyond dictation

SpaceX officially closes its Cursor acquisition; plus, Stripe will reportedly acquire AI gateway startup OpenRouter for $7B+

How a $250 million acquisition collapsed into allegations of fraud and forged signatures

Reservoir raises $8M to make water heaters that people and the grid will actually want; plus, AI code-testing startup Blacksmith’s valuation jumps almost 10x