Can JWST see galaxies made of primordial stars?

All stars are composed of mostly hydrogen and helium, but most stars also have measurable amounts of heavier elements, which astronomers lump into the category of "metals." Our sun has more metals than most stars because ...

How 'viral dark matter' may help mitigate climate change

A deep dive into the 5,500 marine RNA virus species scientists recently identified has found that several may help drive carbon absorbed from the atmosphere to permanent storage on the ocean floor.

40 million more faced acute hunger in 2021: UN

The number of people facing hunger rose to 193 million last year as conflict, climate change and economic crises ravaged people's livelihoods, the UN's Food and Agriculture Organization said Wednesday.

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