News

  1. Planetary Science

    Icy volcanoes on Pluto may have spewed organic-rich water

    Planetary scientists found ammonia-rich ice near cracks on Pluto, suggesting the dwarf planet had recent icy volcanoes.

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  2. Physics

    In a first, scientists took the temperature of a sonic black hole

    A lab-made black hole that traps sound, not light, emits radiation at a certain temperature, as Stephen Hawking first predicted.

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  3. Physics

    100 years ago, an eclipse proved Einstein right. Today, black holes do too — for now

    In 1919, an eclipse affirmed Einstein’s famous general theory of relativity. Now scientists hope to use black holes to poke holes in that idea.