DOJ claims xAI’s unpermitted gas turbines are a matter of ‘national, economic, and energy security’
The Justice department says the Pentagon needs xAI to keep using its unpermitted gas turbines.
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This startup’s super metals could soon be in military drones, luxury watches, and chef’s knives
Instead of heating metals, Foundation Alloy beats them into submission. The startup has raised $22 million to scale up production of its alloys.
Microsoft taps Alt Carbon in sign of India’s growing role in carbon removal
Alt Carbon said the agreement followed more than a year of scientific review and due diligence, with Microsoft requiring additional verification and d…
Endurance Energy raises $54M to harness a massive untapped energy source
SpaceX alumni Andrew Redd is betting the ocean has vast amounts of untapped geothermal energy.
Everyone wants a piece of Tesla’s battery business
Electricity demand from AI data centers is pushing everyone — including automakers like GM and Ford — into the energy storage business.
Why everyone’s an energy company now
Electricity demand from AI data centers is pushing everyone — including automakers like GM and Ford — into the energy storage business.
Avalanche’s desktop fusion reactor delivers blistering-hot plasma
Fusion power startup Avalanche Energy said its reactor prototype heated a plasma to over 10 million degrees C.
Why two SpaceX alumni are betting on solar and batteries to power the AI craze
Ambrosia Energy wants to build power plants in less than 12 months while undercutting natural gas. It hopes to build gigawatts worth by 2030.
GM joins race to build batteries for AI data centers and the grid
GM is developing an entirely new sodium-ion battery chemistry for use in everything from data centers to its own factories.
Startup Battlefield 200 applications officially close in 3 days
Applications for Startup Battlefield 200 officially close on June 8, 11:59 p.m. PT. Now’s not the time to wait any longer. Secure your shot at competi…
Meta steals a tactic from Tesla and builds data centers in tents
Meta may have one found one way to slash its massive data center bill: tents.
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.
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.
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 s…
Today is the last day to apply to speak at TechCrunch Disrupt 2026
Submit your session topic before today ends for a chance to speak at TechCrunch Disrupt 2026. Apply now to share your insight and help shape the conve…
Final 24 hours to save up to $410 on your TechCrunch Disrupt 2026 ticket
You now have until tonight at 11:59 p.m. PT to lock in Early Bird savings of up to $410 for TechCrunch Disrupt 2026 before prices increase. Join 10,00…
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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 Oc…
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.
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 cha…
TechCrunch Disrupt 2026 Early Bird ticket savings end in 3 days
There are only 3 days left to save up to $410 on your ticket to TechCrunch Disrupt 2026. Early Bird pricing ends May 29 at 11:59 p.m. PT, and once the…
TechCrunch Disrupt 2026 Early Bird ticket rates end May 29
Save up to $410 on your TechCrunch Disrupt 2026 pass before prices increase on May 29 at 11:59 p.m. PT. Register here to join the tech epicenter in Sa…
Startup Battlefield 200 applications close in days: Apply before May 27
The deadline to apply or nominate for Startup Battlefield 200 is May 27. This is your shot at VC access, global visibility, TechCrunch coverage, and $…
5 days left: Save up to $410 on TechCrunch Disrupt 2026 passes before prices increase
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SolarSquare in talks to raise up to $60M as India’s rooftop solar market draws major VC interest
SolarSquare could be valued at up to $500 million in the financing expected to close next month.
Nuclear startup Deep Fission says it’s going public, again, and I have questions
Deep Fission is seeking an IPO that could raise $157 million, though investors may have trouble buying the nuclear startup's story.
Elon Musk has given up on solar power (on Earth)
Elon Muks's xAI has gone all in on natural gas, while SpaceX is obsessed with orbital data centers. What happened to the "solar-electric economy" he p…
With aluminum prices up 20%, recycling startups bet on AI to cash in
Recycling startups are using AI to improve the recovery of critical minerals like aluminum, aiming to build a massive source of the metal.
Musk’s xAI is being sued over its data center generators — now it’s buying $2.8B more
Elon Musk's xAI said it will buy $2.8 billion worth of natural gas turbines over the next three years, according to SpaceX's IPO filing.
Startup Battlefield 200 applications close in 1 week: Window to nominate and apply for the most promising startups closes May 27
Startup Battlefield 200 applications close May 27. Pitch at TechCrunch Disrupt, get investor access, win $100K, plus more scaling perks. Nominate an e…
Startup Battlefield 200 applications close in one week: Window to nominate and apply for the most promising startups ends May 27
Startup Battlefield 200 applications close May 27. Pitch at TechCrunch Disrupt, get investor access, win $100K, plus more scaling perks. Nominate an e…