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Astronomers identify a celestial '3-body problem' lurking in the outer solar systemNew research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three separate bodies orbiting one another in a complex triad. This rare orbital configuration is often referred to as the "three-body problem."
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Euclid telescope spots rare 'Einstein ring' hiding near Earth — and an ancient, unnamed galaxy behind itEinstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a cosmic stone's throw from our own planet.
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How do Hula-Hoops work?How do Hula-Hoops keep from falling down as we twirl them around?
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Scientists still don't fully understand why some planets have hundreds of moons while others have noneIt's not a competition, but if it were, Saturn would be winning.
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Why does Earth look flat if it's really round?It's all about perspective: The higher you go, the more you can see the curve.
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How long does it take to travel to the moon?The answer depends on many factors, including the amount of fuel needed, the moon's orbit and the mission's objectives.
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Indian Ocean gravity hole: The dent in Earth's gravitational field created by the death of an ancient oceanThe Indian Ocean "gravity hole" is a region where Earth's mass is reduced, leading to weak gravitational pull, lower-than-average sea levels and a puzzle scientists have only just begun to solve.
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James Webb telescope uncovers 1st-ever 'Einstein zig-zag' hiding in plain sight — and it could help save cosmologyA new JWST study has revealed the true origins of a luminous quasar that has been duplicated six times as its light "zig-zags" through space-time via a phenomenon first predicted by Albert Einstein. The unusual light show could help tackle one of cosmology's biggest problems, experts claim.
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'Gravity waves' from Hurricane Helene seen rippling through the sky in new NASA imagesHurricane Helene sent gravity waves rippling through the atmosphere far above the southeastern United States, new NASA images reveal.
