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.
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.
GM’s electric future depends on a new battery — and this building
GM wants to slash EV prices by deploying new battery tech up to a year earlier than planned. This building is key to making that happen.
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.
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…
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…
Trump administration 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
The U.S. government is sitting on dozens of tons of weapons-grade plutonium. It's hoping startups can find a use for it.
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.
Two weeks left: Startup Battlefield 200 applications close May 27
Your shot at VC access, global visibility, TechCrunch coverage, and $100K equity-free funding is running out. Deadline to apply is May 27. Apply now.
Musk’s xAI is running nearly 50 gas turbines unchecked at its Mississippi data center
Gas turbines at xAI's Colossus 2 data center have drawn a lawsuit over the company's use of "mobile" gas turbines as power plants.
Introducing the 6 stages at TechCrunch Disrupt 2026 — built for today’s tougher startup market
From October 13-15, TechCrunch Disrupt 2026 will feature 200+ sessions across six stages, led by 250+ tech leaders shaping the industry today. Registe…
Startup Battlefield 200 applications close May 27: A shot at VC access, global visibility, TechCrunch coverage, and $100K
Startup Battlefield 200 applications are open, but only for three more weeks. Apply by May 27 for your shot at VC access, global visibility, TechCrunc…
Exhibit at TechCrunch Disrupt 2026: Get in front of 10,000 decision-makers before space runs out
If startup visibility, traction, and real deals matter, you should be on the TechCrunch Disrupt 2026 exhibit floor. Get your 6' exhibit table before y…
4 days left: Get 50% off a second TechCrunch Disrupt 2026 pass to make more deals faster
For the next four days only, you can buy one pass to TechCrunch Disrupt 2026 and get 50% off a second of the same ticket type. That window closes May …
Amazon bets Nobel Prize-based dehumidification can cut its energy use
Amazon will buy a new type of HVAC system for its commercial buildings to slash energy use.
5 days only: Bring a partner or colleague and get 50% off a second TechCrunch Disrupt 2026 pass
The BOGO offer is live. For a limited time, buy one pass to TechCrunch Disrupt 2026 and get 50% off a second of the same ticket type. Offer ends this …