Planets

  1. Space

    The long-awaited James Webb Space Telescope has a big to-do list

    The James Webb Space Telescope has been in the works for so long that new fields of science have emerged for it to study.

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  2. Space

    Astronomers may have found first known planet in another galaxy

    The spiral-shaped Whirlpool galaxy may be home to the first planet spotted outside our own Milky Way galaxy.

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  3. Planets

    NASA’s Perseverance rover grabbed its first Martian rocks

    Two finger-sized pieces of stone drilled from a basalt rock are the first bits of Mars ready to be brought to Earth.

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  4. Planets

    Pluto is no longer a planet — or is it?

    In the 15 years since Pluto lost its status as a planet, some scientists continue to use whatever definition works best for them.

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  5. Planets

    Jupiter’s intense auroras heat up its atmosphere

    Jupiter’s hotter-than-expected upper atmosphere may be warmed by charged particles slamming into the air above the poles.

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  6. Space

    This image may be the first look at exomoons in the making

    These observations offer some of the best evidence yet that planets around other stars have moons, or exomoons.

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  7. Space

    Born in deep shadows? That could explain Jupiter’s strange makeup

    Dust that blocked sunlight might have caused the gas giant to form in a deep freeze, a new study suggests.

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  8. Planets

    The pebbled path to planets

    Small pebbles zipping through a sea of gas may give rise to mighty planets.

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  9. Planets

    The Perseverance rover split CO2 on Mars to make breathable air

    This oxygen-making experiment shows that astronauts could one day make air to breathe and to help fuel their ride back home.

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  10. Space

    Raindrops on alien worlds will obey Earth-like rules

    Their size will be similar no matter what they’re made of or on which planet they fall, a new analysis finds.

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  11. Planets

    Scientists discover likely source of the moon’s faint yellow tail

    These sodium atoms are part of the debris kicked up from the moon’s surface, mostly by micrometeorites, two new studies conclude.

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  12. Planets

    Signs of a hidden Planet Nine in our solar system may be an illusion

    Hints of the remote planet, also called Planet X, relied on clumped up orbits of bodies beyond Neptune. A new study suggests that clumping doesn’t exist.

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