Search Results for: exoplanet

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399 results

399 results for: exoplanet

  1. Space

    Spacecraft in 2021 set their sights on Mars, asteroids and beyond

    This year, a bevy of new missions got under way on Mars and spacecraft prepared to visit asteroids.

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  2. Other worlds

    The past century of astronomy has been a series of revolutions, each one kicking Earth a bit farther to the margins of the universe.

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  3. Readers ask about the James Webb Space Telescope and cosmic cannibalism

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  4. Space

    A newfound exoplanet may be the exposed core of a gas giant

    A planet about 734 light-years away could be a former gas giant that lost its atmosphere or a failed giant that never finished growing.

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  5. Space

    Planets with many neighbors may be the best places to look for life

    Solar systems with many planets in circular orbits suggest a calm life-nurturing past, while single exoplanets with eccentric orbits hint at chaos.

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  6. Planetary Science

    Some exoplanets may be covered in weird water that’s between liquid and gas

    “Supercritical” water, a corrosive substance used to break down toxic waste on Earth, coats some small worlds around other stars, simulations suggest.

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  7. Readers ask about exoplanet heating sources, combating climate change and COVID-19

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  8. Astronomy

    How radio astronomy put new eyes on the cosmos

    A century ago, radio astronomy didn’t exist. But since the 1930s, it has uncovered cosmic secrets from planets next door and the faint glow of the universe’s beginnings.

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  9. Astronomy

    Hubble watched a lunar eclipse to see Earth from an alien’s perspective

    Hubble observed sunlight filtering through Earth’s atmosphere during a lunar eclipse to see what a habitable exoplanet’s atmosphere might look like.

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  10. Astronomy

    Saturn has a fuzzy core, spread over more than half the planet’s diameter

    Analysis of a wave in one of Saturn’s rings has revealed that the planet’s core is diffuse and bloated with lots of hydrogen and helium.

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  11. Astronomy

    The Milky Way may have grown up faster than astronomers suspected

    Most of the galaxy’s disk was in place before a merger 10 billion years ago with a dwarf galaxy called Gaia-Enceladus/Sausage, a new study suggests.

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  12. Planetary Science

    Some ‘superpuff’ exoplanets may actually be ringed worlds like Saturn

    “Superpuff” planets look fluffy and light. But for some of the worlds, the effect could instead be explained by large, rocky rings, a study suggests.

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