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Plasma Physics Apr 2, 2024

A return to roots: Lab builds its first stellarator in 50 years and opens the door for research into new plasma physics

For the first time, scientists have built a fusion experiment using permanent magnets, a technique that could show a simple way to build future devices for less cost and allow researchers to test new concepts for future fusion ...

Astronomy Apr 1, 2024

Exploding stars are rare but emit torrents of radiation—one close enough to Earth could threaten life on the planet

Stars like the sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the sun shining steadily for about ...

Astronomy Mar 30, 2024

A cosmic 'speed camera' just revealed the staggering speed of neutron star jets in a world first

How fast can a neutron star drive powerful jets into space? The answer, it turns out, is about one-third the speed of light, as our team has just revealed in a new study published in Nature.

Astronomy Mar 28, 2024

Three-year study of young stars with NASA's Hubble enters new chapter

In the largest and one of the most ambitious Hubble Space Telescope programs ever executed, a team of scientists and engineers collected information on almost 500 stars over a three-year period. This effort offers new insights ...

Plasma Physics Mar 28, 2024

Plasma fusion: Adding just enough fuel to the fire

How much fuel can we add to the fire while still maintaining control? Metaphorically speaking, that's the question one team at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) has been asking themselves ...

Astronomy Mar 25, 2024

Hubble sees new star proclaiming its presence with cosmic light show

FS Tau is a multi-star system made up of FS Tau A, the bright star-like object near the middle of the image, and FS Tau B (Haro 6-5B), the bright object to the far right that is partially obscured by a dark, vertical lane ...

Astronomy Mar 21, 2024

Hubble finds that aging brown dwarfs grow lonely

It takes two to tango, but in the case of brown dwarfs that were once paired as binary systems, that relationship doesn't last for very long, according to a recent survey from NASA's Hubble Space Telescope.

Environment Mar 19, 2024

How do we tell future generations about highly radioactive nuclear waste repositories?

In Europe, increasing efforts on climate change mitigation, a sudden focus on energy independence after Russia's invasion of Ukraine, and reported breakthroughs in nuclear fusion have sparked renewed interest in the potential ...

Condensed Matter Mar 13, 2024

New research on tungsten unlocks potential for improving fusion materials

In the pursuit of clean and endless energy, nuclear fusion is a promising frontier. But in fusion reactors, where scientists attempt to make energy by fusing atoms together, mimicking the sun's power generation process, things ...

Astronomy Mar 11, 2024

Rethinking galactic origins of interstellar clouds with heavy-element mapping: Research challenges conventional theory

A groundbreaking study of the origins of intermediate-velocity clouds (IVCs) challenges a 20-year-old theory and suggests a new era of deep-space research.

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