New Horizons images enable first test of interstellar navigation

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the galaxy – a technique that could be useful for interstellar missions ​By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the galaxy – …

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Antarctica’s ocean flip: Satellites catch sudden salt surge melting ice from below

A massive and surprising change is unfolding around Antarctica. Scientists have discovered that the Southern Ocean is getting saltier, and sea ice is melting at record speed, enough to match the size of Greenland. This change has reversed a decades-long trend and is letting hidden heat rise to the surface, melting the ice from below. …

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Stunning image of a supernova reveals a dead star that exploded twice

Pictures of a distant supernova remnant show two concentric rings, providing clear evidence that exploding white dwarf stars go boom twice in the blink of an eye ​Pictures of a distant supernova remnant show two concentric rings, providing clear evidence that exploding white dwarf stars go boom twice in the blink of an eye Pictures of …

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Killer whales use seaweed tools in never-before-seen grooming behavior

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented behavior among marine mammals. This suggests a deeper social and cultural complexity in these endangered whales than scientists previously realized. ​Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an …

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Why giant planets might form faster than we thought

Astronomers using ALMA have uncovered how gas and dust in planet-forming disks evolve separately an insight that reshapes our understanding of how different types of planets form. While dust lingers, gas dissipates quickly, narrowing the window for the formation of gas giants like Jupiter. ​Astronomers using ALMA have uncovered how gas and dust in planet-forming …

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Synthetic storm: What’s really in your teen’s vape — and why scientists are alarmed

Teen vaping is changing fast — and not in a good way. A large national study found that more adolescents are vaping THC, CBD, and especially synthetic cannabinoids, which are often unregulated and far more dangerous. Even more troubling, many teens don’t know what’s in their vape pens at all. Researchers also found that girls …

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