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 8 at 11:59 p.m. PT. After that, prices go up, and you’ll pay more to bring a partner or colleague. Reg…

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.

Geothermal startup Fervo Energy to raise up to $1.3B in IPO

Enhanced geothermal startup Fervo Energy’s IPO could value the company at up to $6.5 billion.

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 Friday, May 8. Save here.

Barocal can cool your food and drink by squeezing a hunk of plastic crystals

Barocal might have discovered a cheap, nonpolluting material that could dethrone today’s refrigeration technology.

Fusion power startup Zap Energy pulls a partial pivot, adding nuclear fission to the mix

Surprise! Fusion startup Zap Energy says it will be developing fission reactors alongside its fusion devices.

Earth AI is vertically integrating the search for critical minerals

When Earth AI started hitting months-long delays in its search for critical minerals, it decided to take matters into its own hands.

Data center demand drives 66% surge in natural gas power plant costs

Natural gas power plant costs have nearly doubled in two years and take 23% longer to build as data center electricity demand skyrockets.

The climate tech IPO window could finally be cracking open

Nuclear startup X-energy went public, geothermal startup Fervo is about to. Could this be the moment that climate tech investors have been waiting for?

Steve Ballmer blasts founder he backed who pleaded guilty to fraud: ‘I was duped and feel silly’

Steve Ballmer wrote a fiery letter in the sentencing of disgraced founder Joseph Sanberg documenting all the harm that’s befalling him as an investor.