Space

  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

    Scientists Say: Solar wind

    This is a powerful gust of charged particles that flows out from the sun through the solar system.

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  3. 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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  4. Space

    Let’s learn about the hunt for alien life

    Finding any extraterrestrials, from advanced alien civilizations to simple microbes, would be an unmatched discovery.

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  5. Space

    Explainer: Calculating a star’s age

    Scientists can figure out a star's mass or composition pretty easily. Determining how old that star is, however, is a lot harder.

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  6. Space

    Let’s learn about auroras

    A gust of charged particles from the sun called the solar wind lights up auroras on Earth — and on other planets.

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  7. 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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  8. 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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  9. Space

    Here’s an easier new way to weigh a black hole

    The timing of flickers in the gas and dust of a black hole’s accretion disk correlates to its mass, a new study finds.

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  10. Earth

    Let’s learn about meteor showers

    Meteor showers happen when Earth’s orbit passes through trails of debris left behind by comets or asteroids.

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  11. Space

    Explainer: How auroras light up the sky

    The northern and southern lights are considered natural wonders of the world. Here’s how these and related splendid sky glows form.

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  12. 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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