Arinna raises $4M seed round to solve the space power problem

Arinna builds solar cells specifically for spacecraft and has developed an ultrathin new material that it expects to be far more flexible and more efficient than current technology.

Cauldron Ferm has turned microbes into nonstop assembly lines

The Australian startup says it has solved one of the biggest challenges facing synthetic biology companies, which it counts as customers.

Mirage raises $75M to continue building models for its AI video editing app Captions

Mirage, the maker of video editing app Captions, has raised $75 million in growth financing from General Catalyst’s Customer Value Fund (CVF).

Littlebird raises $11M for its AI-assisted ‘recall’ tool that reads your computer screen

Littlebird is building an AI that reads your screen in real time to capture context, answer questions, and automate tasks, without relying on screenshots.

TechCrunch Startup Battlefield 200 nominations are still open

Nominate your startup, or one you know, for TechCrunch Startup Battlefield 200 before May 27. Chance to win $100,000 equity-free funding and VC access.

Anori, Alphabet’s new X spinout, is tackling one of the world’s most expensive bureaucratic nightmares

Anori aims to shrink down the pre-development process by getting all parties, including the city, on to a unified platform from the start so that compliance conflicts are surfaced in weeks instead of months or years.

Arc expands into electric commercial and defense boats with $50M raise

The Los Angeles startup raised $50 million from Eclipse, a16z, Menlo Ventures, and others as it seeks to expand beyond sport boats.

Sequen snags $16M to bring TikTok-style personalization tech to any consumer company

With its Series A, Sequen is bringing its proprietary AI ranking and personalization technology to large consumer business.

Mave Health aims to improve attention and mood with its brain-stimulating headset

Mave Health is listing the headset at $495 for pre-orders. It aims to ship devices to users in the U.S. and India in April 2026.