Planets

  1. Chemistry

    Picture This: Evidence of liquid water on Mars

    Mars hosts surface salt deposits. They appear to come from seasonal water flows on the Red Planet, a new study concludes.

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  2. Planets

    Like Tatooine in ‘Star Wars,’ this planet has two suns

    Scientists have found the tenth planet with two suns. Such planets might be more common than single-sun planets, like our own, a new survey suggests.

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  3. Planets

    Scientists Say: Exoplanet

    Eight planets orbit our sun. We give a slightly different name to the millions of similar bodies orbiting other stars.

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  4. Planets

    News Brief: Venus may have active volcanoes

    The Venus Express spacecraft detected flashes of infrared light that may be from hot lava erupting from active volcanoes.

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  5. Planets

    Pluto hosts ice mountains, data suggest

    Geologic activity appears to have been reshaping Pluto, erasing craters and more.

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  6. Planets

    Picture This: Pluto hearts us

    As a little spacecraft flies by Pluto, it is snapping up high resolution images and collecting unparalleled data.

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  7. Planets

    Scientists Say: Satellite

    When we think of satellites, we often think of objects we send into space from Earth. But most satellites are actually all natural.

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  8. Planets

    Hello, Pluto!

    Here's a collection of our stories about your favorite dwarf planet — including those on the New Horizons flyby.

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  9. Planets

    Visiting Pluto

    Pluto has long been little more than a dark spot in the sky. Now NASA’s New Horizons spacecraft is about to fly by this dwarf planet. Along the way, it will collect unprecedented data on it.

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  10. Planets

    Super-earths not a place for plate tectonics

    Plate tectonics build big mountain ranges on Earth. But super-Earths would be too big for such movements to occur, a study finds.

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  11. Planets

    Teen finds exoplanet

    Tom Wagg discovered exoplanet WASP-142b while doing an internship. Just 15 at the time, he is possibly the youngest person ever to find an exoplanet.

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  12. Planets

    Cosmic collision may have given birth to Pluto’s moons

    Hubble Space Telescope photos reveal that the Pluto family may have formed from debris left behind after something slammed into the dwarf planet.

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