Alva Energy has the support of former Intel chief Pat Gelsinger, whose venture firm led its recent $33 million fundraising ...

California firm founders, including two US Energy Dept. veterans, aim to scale laser-based inertial confinement fusion technology to develop a grid-scale power plant, with $450M just gained from ...

Fusion startups are racing to turn the physics that powers the sun into a practical power source, and a new generation of companies now claims it finally has a credible route to nearly limitless ...

A startup has received $41 million to build a power plant that will turn waste biomass into electricity, powering a Louisiana data center while sequestering carbon dioxide. Arbor Energy will build its ...

Startup Inertia Enterprises Inc. today announced that it has raised $450 million in funding to build a laser-powered fusion reactor. Bessemer Venture Partners led the round. It was joined by Alphabet ...

Nuclear startup Antares said Tuesday it has raised $96 million in Series B funding as it pursues its small modular reactor design. The round, which was led by Shine Capital with participation from Alt ...

Helion Energy achieves plasma at a stunning 150 million degrees Celsius, well above the threshold to eventually generate stable fusion power.

When Oklo Inc., a nuclear power startup, applied in 2020 to operate its first reactor, the company rested largely on outsize ambition. Its MIT-educated co-founders, a married couple named Jacob and ...

Meta will finance Oklo’s purchase of uranium for its reactors. It’s a massive vote of confidence for both the startup and nuclear power, but challenges remain. There are two ways for tech companies to ...

As data-center energy bills grow exponentially, technology companies are looking to nuclear for reliable, carbon-free power. Meta has now made an unusually direct bet on a startup developing small ...