A surprise meteor shower spotted in February was likely caused by cosmic “bread crumbs” dropped by an undiscovered comet that could potentially pose a threat to Earth.The tiny meteoroids that streaked through Earth’s atmosphere for a few hours on Feb. 4 represent a
Mysterious and gigantic jets of lightning that shoot up to near the edge of space have now been observed in unprecedented detail, revealing just how much charge they pack and how they form. More than 50 miles (80 kilometers) above Earth's surface, extreme…
After just two years in orbit, ESA's GOCE satellite has gathered enough data to map Earth's gravity with unrivaled precision. Scientists now have access to the most accurate model of the 'geoid' ever produced to further our understanding of how Earth…
