Fusion breakthrough is a milestone for climate, clean energy

Scientists announced Tuesday that they have for the first time produced more energy in a fusion reaction than was used to ignite it—a major breakthrough in the decades-long quest to harness the process that powers the sun.

EXPLAINER: Why fusion could be a clean-energy breakthrough

The Department of Energy is planning an announcement Tuesday about a "major scientific breakthrough" at the Lawrence Livermore National Laboratory, one of several sites worldwide where researchers have been trying to develop ...

Two Seattle startups racing to transform next-gen space travel

The phrase "nuclear energy" conjures images of large steaming towers or Tony Stark's arc reactor from the iconic "Iron Man" movies. But two Seattle-based startups are designing nuclear technologies small enough to pick up ...

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