Space

More Stories in Space

  1. Space

    What will it take to defend the world from an asteroid?

    In How to Kill an Asteroid, Robin George Andrews looks at the successes and shortcomings of planetary defense.

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  2. Astronomy

    This is the first close-up image of a star beyond our galaxy

    The first-ever close-up of an extragalactic star looks different than expected and might give a view of what stars look like at the end of their lives.

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  3. Planetary Science

    Mars’ potato-shaped moons could be the remains of a shredded asteroid

    Phobos and Deimos could have formed from asteroid debris, a new study suggests. An upcoming sample return mission will help test the idea.

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  4. Cosmology

    Einstein’s gravity endures despite a dark energy puzzle 

    The DESI project previously reported that dark energy — long thought to be constant — changes over time. A new analysis reaffirms that claim.

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  5. Planetary Science

    A first look at rocks from the lunar farside create a volcanic mystery

    Rocks returned by China’s Chang’e-6 mission suggest volcanic activity just 2.8 billion years ago but lack telltale heat-generating elements.

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  6. Planetary Science

    Uranus may have looked weird when NASA’s Voyager 2 flew by

    A solar wind event days before the NASA probe flyby in 1986 may have compressed the planet’s magnetosphere, making it look odder than it usually is.

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  7. Astronomy

    A cosmic census triples the known number of black holes in dwarf galaxies

    The DESI survey reveals that active black holes in small galaxies are common. The findings may help reveal how the two cosmic bodies evolve together.

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  8. Astronomy

    A star winked out of sight. Could it be a ‘failed supernova’? 

    The dramatic dimming of a star in the nearby Andromeda galaxy could mark the birth of a black hole.

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  9. Astronomy

    A zombie star’s spiky filaments shed light on a 12th century supernova

    A 3-D map of the strange remains of a supernova seen in 1181 traces the odd tendrils of gas that jut out for several light-years in all directions.

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