Search Results for: exoplanet

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360 results
  1. blurry illustration of the exoplanet Wasp-39 b with its star in the background
    Astronomy

    The James Webb telescope spotted CO2 in an exoplanet’s atmosphere

    The first definitive detection of the gas on a world in another solar system paves the way for detections in planets that are more Earthlike.

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  2. illustration of a mini-Neptune exoplanet
    Astronomy

    Mini-Neptunes may become super-Earths as the exoplanets lose their atmospheres

    Starlight is eroding the atmospheres of a handful of gassy exoplanets that are a bit smaller than Neptune, gradually exposing the rocky cores within.

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  3. wide image of Exoplanet HIP 65426 b with four insets showing how the planet looks in different wavelengths of light (purple, blue, yellow, and red)
    Astronomy

    Here’s the James Webb telescope’s first direct image of an exoplanet

    Along with spying its first exoplanet, the James Webb telescope got its first direct spectrum of an object orbiting a star in another solar system.

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  4. So much of science is looking and seeing

    Editor in chief Nancy Shute discusses the marvels of looking and seeing in science, from peeks into outer space to 3-D visualizations of protein structures.

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  5. image of the Milky Way with exoplanet orbits indicated by purple circles
    Astronomy

    NASA’s exoplanet count surges past 5,000

    With a new batch of 60 confirmed exoplanets, the number of known worlds in our galaxy reaches another milestone.

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  6. an illustration of the rocky exoplanet GJ 1132b
    Planetary Science

    Oxygen-rich exoplanets may be geologically active

    Experiments show that rocks exposed to higher concentrations of oxygen have a lower melting temperature than rocks exposed to lower amounts.

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  7. a brown dwarf, a failed star, illustrated against a black background
    Astronomy

    Sand clouds are common in atmospheres of brown dwarfs

    Dozens of newly examined brown dwarfs have clouds of silicates, confirming an old theory and revealing how these failed stars live.

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  8. Readers react to Science News' headline quiz, pesky subatomic particles and more

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  9. illustration of exoplanet GJ 367b next to a glowing red star
    Planetary Science

    This tiny, sizzling exoplanet could be made of molten iron

    A newly discovered exoplanet that whips around its star in less than eight hours is smaller than Earth, as dense as iron and hot enough to melt.

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  10. an illustration of the exomoon Kepler 1708 b i, shown as a blue-green orb, orbiting a large, Jupiter-like exoplanet
    Astronomy

    Astronomers identified a second possible exomoon

    Kepler 1708 b i, a newly discovered candidate for an exoplanet moon, has a radius about 2.6 times that of Earth, a new study suggests.

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  11. Robin Wordsworth stands in front of a martian meteorite exhibit wearing a gray sweater and glasses
    Planetary Science

    Robin Wordsworth re-creates the atmosphere of ancient Mars

    Robin Wordsworth studies the climates of Mars and other alien worlds to find out whether they could support life.

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  12. thousands of distant galaxies captured by the James Webb Space Telescope
    Astronomy

    Here are the James Webb Space Telescope’s stunning first pictures

    President Biden revealed the NASA telescope's image of ancient galaxies whose light has been traveling 13 billion years to reach us.

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