News

  1. Archaeology

    Stone circles show Neandertals’ social, technical skills

    Ancient human relatives built circular stalagmite structures inside a French cave.

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  2. Planetary Science

    Space experts say sending humans to Mars worth the risk

    At a meeting in Washington, NASA and aerospace reps discuss the hopes and hurdles of landing a crew on Mars by the 2030s.

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  3. Astronomy

    Young sun’s super solar flares helped set early Earth up for life

    Super solar flares may have provided early Earth with planet-warming and life-building molecules.

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  4. Climate

    Zapping clouds with lasers could tweak planet’s temperature

    Breaking up the ice particles inside cirrus clouds could make them reflect more light, turning them into a tool to combat global warming.