Space

  1. Space

    A near-Earth asteroid offers clues to one dark matter theory 

    Data from the OSIRIS-REx mission to Bennu place a ceiling on the strength of a hypothetical fifth force that could explain dark matter’s origins.

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  2. Space

    JWST spots the first known ‘steam world’

    Astronomers have found a world shrouded in an atmosphere of water vapor, orbiting a star 100 light-years away.

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  3. Planetary Science

    The cataclysmic origins of most of Earth’s meteorites have been found

    Just a few smashups in the asteroid belt may account for 70 percent of Earth’s meteorites, limiting what’s known about our solar system’s history.

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  4. Planetary Science

    NASA’s Europa mission is a homecoming for one planetary astronomer

    Over her long career, Bonnie Buratti has seen the search for life in the solar system go from a joke to a flagship mission.

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  5. Planetary Science

    Saturn’s first Trojan asteroid has finally been discovered

    Saturn joins the sun’s other giant planets that have Trojans, space rocks that orbit along the same path.

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  6. Astronomy

    Runaway stars could influence the cosmos far past their home galaxies

    Dozens of stars fleeing a neighbor of the Milky Way suggest these escapees could have an outsized influence on their cosmic surroundings.

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  7. Planetary Science

    Europa Clipper has launched to solve an alien mystery

    Launched October 14, the spacecraft will repeatedly buzz Europa in search of water, energy and organic compounds.

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  8. Space

    50 years ago, satellites threatened astronomers’ view of the cosmos

    As satellite launches ramp up and the spacecraft clog the skies, astronomers fear for their data.

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  9. Astronomy

    Barnard’s star has at least one planet orbiting it after all

    After decades of searching, a telltale gravitational wobble points to an exoplanet orbiting the nearby red dwarf every 3.15 days.

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  10. Astronomy

    Betelgeuse has a tiny companion star hidden in plain sight

    Betelgeuse has a sequel — in the form of a companion star that's about the same mass as the sun, orbiting it about once every 2,100 days.

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  11. Astronomy

    Starlink satellites’ leaky radio waves obscure the cosmos

    Starlink satellites unintentionally emit radio waves that appear more than 10 million times brighter than natural sources, as seen by ground-based radio telescopes.

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  12. Physics

    X-rays from nuclear blasts could defend Earth from asteroids

    The X-ray pulses could deflect asteroids up to 4 kilometers wide, a new study suggests.

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