Visiting Shanghai is an exhilarating experience.
This financial hub of 25 million was seemingly made for skyscraper-ogling, fashion-finding and dumpling-sampling. Its metro system is clean...
A towering wall of dust, known meteorologically as a haboob, swallowed parts of metro Phoenix Monday evening, plunging the city into near-zero visibility.
The dust storm...
Giraffes are one of the world's most distinct and well-loved creatures, always thought to be one species.
But now scientists at the International Union for...