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 ...

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 ...

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 ...

Inside a vast, hangar-like building in Devens, a trio of employees are working to test and assemble the pieces of what is likely one of the most advanced machines being built on Earth. One part of a ...

SAN FRANCISCO (Reuters) -Helion Energy, a startup backed by OpenAI's Sam Altman and SoftBank's venture capital arm, has started construction on a site for a planned nuclear fusion power plant that ...

Russia is preparing to reconnect the occupied Zaporizhzhia nuclear power plant to its own energy system. The next step is a dangerous reactor startup, according to Ukrainian Foreign Minister Andrii ...

Aetherflux plans to launch an initial demonstration satellite to test its space-based solar power technologies by 2026. Credit: Aetherflux TAMPA, Fla. — Space-based solar power startup Aetherflux has ...

On the banks of the Columbia River in the small town of Malaga, Washington, Everett-based Helion has broken ground on what it says is “the world’s first fusion power plant.” Helion, a nuclear fusion ...

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 ...