News

  1. Space

    A third visitor from another star is hurtling through the solar system

    Scientists have found a new interstellar object whizzing toward the sun.

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  2. Astronomy

    Nearly half of the universe’s ordinary matter was uncharted, until now

    Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

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  3. Climate

    Climate change could separate vanilla plants and their pollinators

    The vanilla species grown for its flavoring is finicky. Genes from its wild relatives could help make it hardier — but not if those cousins go extinct.

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  4. Life

    A 3-D printed, plastic beaker could help algae grow on Mars

    Algae grown under Mars-like conditions could make bioplastic building materials for structures to harbor life in space.