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Einstein's predictions mean rare 'gravitational lasers' could exist throughout the universe, new paper claimsA new study combining two of Albert Einstein's famous predictions suggests that ripples in space-time can combine into 'gravitational lasers', firing out of black holes in random directions across the cosmos.
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Stunning 'Einstein engagement ring' from the early universe is one of the oldest ever discoveredThe Hubble Space Telescope has snapped a stunning photo of one of the most distant Einstein rings ever found. The luminous halo of light aligns perfectly with another galaxy, making it look like a cosmic engagement ring.
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Dark matter could be gently wobbling space-time around us — and scientists may finally know how to detect itA new paper suggests we may finally be able to uncover the identity of dark matter using the same technology that detects ripples in space-time known as gravitational waves.
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'We do not understand how it can exist': Astronomers baffled by 'almost invisible' dwarf galaxy that upends a dark matter theoryAstronomers have discovered a super diffuse dwarf galaxy, named Nube, which gives off barely any visible light and seemingly defies explanation.
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Millions of invisible 'mirror stars' could exist in the Milky Way, and astronomers know how to find themAn entire universe made of 'dark' particles could exist within our own, and astronomers may know the first place to look: In the mysterious hearts of supposed 'mirror stars'.
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10 scorching-hot discoveries made about the sun in 2023From a surprisingly active solar cycle to finding evidence of ancient superflares and solar auroras, here are the most exciting discoveries about the sun made this year.
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Unexpected cosmic clumping could disprove our best understanding of the universeThe tension, centered around a value for cosmic lumpiness known as S8, could join the Hubble tension in dethroning our best picture of how the universe evolved.
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After 2 years in space, the James Webb telescope has broken cosmology. Can it be fixed?Feature For decades, measurements of the universe's expansion have suggested a disparity known as the Hubble tension, which threatens to break cosmology as we know it. Now, on the eve of its second anniversary, a new finding by the James Webb Space Telescope has only entrenched the mystery.
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8 stunning James Webb Space Telescope discoveries made in 2023The oldest ever black holes, a preview of our solar system's gory demise, and a measurement of distant starlight that threatens to bring the standard of cosmology crashing down — here are the JWST's wildest discoveries of 2023.
