Space

More Stories in Space

  1. 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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  2. 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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  3. 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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  4. Cosmology

    How did dark matter shape the universe? This physicist has ideas

    Theoretical physicist Tracy Slatyer proposes new scenarios for dark matter and helped discover the Fermi bubbles.

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  5. Particle Physics

    A neutrino mass mismatch could shake cosmology’s foundations

    Cosmological data suggest unexpected masses for neutrinos, including the possibility of zero or negative mass.

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  6. Space

    Meet Porphyrion, the largest pair of black hole jets ever seen

    The two plasma fountains, spanning 23 million light-years, could shape cosmic structures far beyond their home galaxy.

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  7. Physics

    How to spot tiny black holes that might pass through the solar system 

    Flybys of primordial black holes may occur once a decade. Tweaks to the orbits of planets and GPS satellites could give away their presence.

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  8. Space

    How a dying star is similar to a lava lamp

    In a first, astronomers captured how convective forces power the quick bubbling movement of gas cells on the surface of a distant, massive star.

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  9. Planetary Science

    Scientists find a long-sought electric field in Earth’s atmosphere

    The Earth’s ambipolar electric field is weak but strong enough to control the shape and evolution of the upper atmosphere.

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