What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

Space propulsion company Pulsar Fusion has achieved “first plasma” in its Sunbird nuclear fusion rocket, designed to propel rockets faster than any object has ever traveled. Reading time 2 minutes ...

For decades, humans have sought to harness the power of the stars to generate electricity here on Earth. And for nearly as long, achieving that goal always seemed just a decade away. Now, a slew of ...

Nuclear fusion originates in our sun and other stars. Immense pressure and high temperatures in the core create a reaction, ultimately preventing it from collapsing under the force of gravity. "The ...

[Maximilian Milovidov is a freshman at Columbia University and a member of TikTok's Youth Council. He used a large language model to edit this essay for length and a human to edit for content. This ...

A new study finds that certain patterns of AI use are driving cognitive fatigue, while others can help reduce burnout. by Julie Bedard, Matthew Kropp, Megan Hsu, Olivia T. Karaman, Jason Hawes and ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A Texas boy has been praised for building a working nuclear fusion ...

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Sustainability: News about the rapidly growing climate tech sector and other areas of innovation to protect our planet. SEE MORE by Lisa Stiffler on Feb 13, 2026 at 2:00 am February 13, 2026 at 11:11 ...

EVERETT, Wash.--(BUSINESS WIRE)--Helion, a Washington-based fusion energy company, announced that its Polaris prototype has set new fusion industry benchmarks, becoming the first privately developed ...

An awe-inspiring science project by a Dallas ISD seventh-grader is now drawing national attention, as the student works to secure a Guinness World Record as the youngest person to achieve nuclear ...

Fusion power’s biggest question remains unanswered: How do you ensure the cost to start the fusion reaction isn’t higher than the price at which you can sell the power? Plenty of people have ideas, ...