Fusion startups are inking defense-related deals, reigniting the relationship between fusion and national security that might have gone dormant, but never completely disappeared.

Massachusetts has become the third state in as many months to slap new restrictions on data center development.

Google said it would bring an Iowa nuclear power plant back from the dead. Now the plant's owner is getting a $1.9 billion loan from the U.S. Energy Department.

Bluecore Energy announced Tuesday an oversubscribed $50 million seed round — just months after raising a $10 million pre-seed and coming out of stealth. 

Fervo's deal with Google could expand to 1 gigawatt of geothermal power, enough to supply a very large AI data center in Utah.