The Astrophysical Journal · 21 July 2026 · From issue 09

In space telescope data, five massive stars show clear wind gas speeding away.

Calum Hawcroft, David R. Law et al., Stellar Winds of O-type Stars Traced by High- ionization Fine-structure Emission Lines with JWST/MIRI, The Astrophysical Journal.

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Also in issue 09 15 papers

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In lab experiments, scientists captured a never-before-seen reactive gold-nitrogen chemical and watched it react in many ways.
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Squeezing matter under huge pressure while keeping it cold reveals mostly unexplored physics.
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In trees, some wood building genes stayed the same for 300 million years, others changed.
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No path exists to make all ammonia production pollution-free by 2050, a new model shows.
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New computer models predict which heart channel gene changes cause dangerous rhythm problems.
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In lab tests, a low-polarity liquid made clay let fluid through far faster than expected.
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