• Lightning reshapes rocks at the atomic level

    At a rock outcropping in southern France, a jagged fracture runs along the granite. The surface in and around the crevice is discolored black, as if wet or covered in algae. But, according to a new paper coauthored by the University of Pennsylvania’s Reto

  • Super dusty comet releases mystery clumps

    Images acquired by SECCHI/HI-1 telescope aboard the solar-observing STEREO-B spacecraft have revealed strange streaming clumps from unusually dusty Comet C/2011 L4 (Pan-STARRS). This discovery could hold secrets to how comets create their beautiful, sweeping, striated t

  • Mystery of equatorial noise solved

    A team from MIT, the University of California at Los Angeles, the University of Sheffield, and elsewhere has detected a remarkably orderly pattern amid the "equatorial noise." The discovery may help scientists to more accurately model the space environment an