NASA’s Perseverance Rover Spots Megaripples, Proof Mars’ Soil Is Still Shifting

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3 days ago

August 31, 2025

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NASA’s Perseverance rover has discovered striking megaripples — giant Martian sand waves — at a site called Kerrlaguna in Jezero Crater. These formations, about a meter tall, are larger than Earth’s beach ripples but smaller than the biggest dunes. Scientists say they formed when Mars had a thicker atmosphere and stronger winds, and many now appear frozen in t…

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

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11 mins 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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44 mins 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…

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

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1 hour 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 …