Astronomers Discover Calvera, a Runaway Pulsar Racing Above the Milky Way

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4 hours ago

September 3, 2025

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Astronomers have discovered Calvera, a pulsar speeding 6,500 light-years above the Milky Way’s disk. Formed from a supernova in a nearly empty region, Calvera challenges long-held ideas of star birth and death. Its discovery reveals that extreme stellar events can occur even in the galaxy’s sparse outer halo.

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Scientists Create Stretchy Rubber That Converts Body Heat Into Electricity for Wearables

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4 hours ago

September 3, 2025

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Scientists at Peking University have developed a stretchable elastomer that converts body heat into electricity, detailed in Nature. The breakthrough uses thermoelectricity to power wearable and implantable devices without batteries. Enhanced with a doping agent for higher conductivity, the material combines flexibility with efficiency, marking a leap for self-powered…

Science

NASA’s InSight Reveals Ancient Planetary Remains Preserved Deep Inside Mars

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5 hours ago

September 3, 2025

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Scientists using NASA’s InSight lander data have uncovered dozens of dense blobs hidden in Mars’ mantle, possibly remnants of failed protoplanets from the early solar system. Preserved for billions of years, these structures reveal Mars’ mantle evolved sluggishly compared with Earth, offering a unique window into planetary formation and the violent impacts that …

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NASA’s Juno Spacecraft Detects Callisto’s Aurora, Completing Jupiter’s Galilean Moons Set

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6 hours ago

September 3, 2025

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NASA’s Juno spacecraft has captured Callisto’s elusive auroral footprint, completing the “family portrait” of Jupiter’s Galilean moons. Each moon carves its own aurora into the gas giant’s poles, revealing how they interact with Jupiter’s powerful magnetosphere. Callisto’s faint arc appeared during a 2019 flyby, finally confirming its mark.