School of Mathematics and Statistics, Hebei University of Economics and Business, Shijiazhuang 050061, P. R. China Center for Differential Equations and their Applications, Hebei University of ...

At its edge sits the smaller but still impressive Schrödinger basin, measuring 320 kilometers wide. The two clearly visible valleys, Vallis Schrödinger and Vallis Planck, extend away from the ...

These canyons, Vallis Schrödinger and Vallis Planck, were carved by debris traveling at speeds of up to 4,600 km/h. Scientists suggest th... NASA's Europa Clipper spacecraft has begun deploying ...

These canyons, Vallis Schrödinger and Vallis Planck, were carved by debris traveling at speeds of up to 4,600 km/h. Scientists suggest th... NASA's Europa Clipper spacecraft has begun deploying ...

When fans were turning Frankie Valli and the Four Seasons into one of the top pop acts in the country in the 1960s, most of them probably had no idea of the struggles that brought them from the ...

On March 7-8, Russia executed Operation Potok—a bold maneuver that went largely unnoticed but, had it been carried out by Ukraine or a Western military, would have inspired Hollywood films and ...