Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft
Fusion startup Helion is racing to complete a power plant for Microsoft by 2028. A fresh infusion of cash should help with that.
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The world’s largest privately owned laser just turned on
Fusion startup Xcimer fired up the world’s largest privately owned laser.
The world’s largest privately owned laser just turned on Read More »
Focused Energy raises whopping $240M Series A for laser-powered fusion tech
Another fusion startup has raised another a massive round to make this type of power a reality.
Focused Energy raises whopping $240M Series A for laser-powered fusion tech Read More »
Pacific Fusion’s latest prototype packs 440 gigawatts into an 80-nanosecond burst
Pacific Fusion’s sub-scale prototype delivered enormous amounts of power in a flash, setting the company up for its demonstration power plant.
Pacific Fusion’s latest prototype packs 440 gigawatts into an 80-nanosecond burst Read More »
Zigging when most are zagging, ex-Meta CTO raises $250M climate fund
Mike Schroepfer’s Gigascale Capital has raised a large fund to back founders building climate-friendly solutions for the world’s energy and material shortages.
Zigging when most are zagging, ex-Meta CTO raises $250M climate fund Read More »
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Savings of up to $410 on TechCrunch Disrupt 2026 tickets end tomorrow, May 29, 11:59 p.m. PT. Register now to save and join 10,000+ tech leaders on October 13-15 in San Francisco.
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With a new $100M raise, Princeton’s Thea Energy is now a top-funded fusion startup
Thea Energy’s pixel-inspired magnets could give its power plant plans a boost. The fusion startup hopes to get a commercial reactor working by 2034.
With a new $100M raise, Princeton’s Thea Energy is now a top-funded fusion startup Read More »
Startup Battlefield 200 applications close today: Nominate a founder or submit your startup
Today is the final day to apply or nominate a startup for Startup Battlefield 200. Once the clock strikes 11:59 p.m. PT, the window closes on your chance to compete for $100,000 in equity-free funding, gain global visibility, connect directly with investors, and launch on the TechCrunch Disrupt stage.
Trump admin wants nuclear startups to use plutonium for their reactors
The U.S. government is sitting on dozens of tons of weapons-grade plutonium. It’s hoping startups can find a use for it.
Trump admin wants nuclear startups to use plutonium for their reactors Read More »
TechCrunch Disrupt 2026 Early Bird ticket rates end May 29
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