Fusion energy startups are drawing billions as rising A.I.-driven power demand pushes the technology closer to commercial ...

That’s where Carlsson comes in. He’s now helping to heat the homes of 80,000 residents in Finland with waste heat from local ...

The electricity it makes is expensive, its technology has been superseded, and it's incinerating thousands of birds ...

Norwegian researchers team up with Swiss heating company to build a thermal battery that can store and distribute heat when ...

Although sunlight is one of the cleanest forms of renewable energy available, clearing large swathes of desert habitat to ...

Type One Energy has raised more than $160 million from investors to date. The new funding will help the company further refine its stellarator technology.