Defense Secretary Jim Mattis argues that the Pentagon is nonetheless obliged to provide help with border enforcement.

The taxes on items including ketchup, lawn mowers and motor boats amount to $12.6 billion.

The shipment — packed into a Dragon capsule that’s also recycled — should reach the station Monday.

Russian officials and lawmakers warned against excessive optimism.

The choices reflected Francis’ determination that the church be known for tireless attention to those on society’s margins.

The costly endeavors reflect the anxiety in Europe over migration, which is turning into a political crisis.

Scientists looking for clues about how influenza evolves so they just might better protect people.

The search giant says it has been working to address these concerns of being too human.

The unmanned Hayabusa2 spacecraft reached its base of operations about 20 kilometers (12 miles) from the asteroid.

Maryam Bahramipanah is torn between staying with her husband...