Lipid imbalance triggered by Snail-driven epithelial–mesenchymal transition creates a cholesterol-dependent vulnerability that can be therapeutically targeted to overcome chemoresistance in cancer.

Yemen’s southern separatist movement says it aims to hold a referendum on independence from the north in two years as Saudi-backed forces are fighting to regain territory the separatists seized last ...

Landing at Aden International Airport on a trip in late 2017, two flags were visible from the plane as it moved along the tarmac. One was the flag of the former South Yemen, resurrected as a symbol of ...

Venezuelan opposition leader Maria Corina Machado said she and fellow candidate Edmundo González are poised to lead the country now that “the hour of freedom has arrived” — but President Trump said ...