Trump announces 10% tariffs on Europe rising to 25% by June tied to Greenland hitting relations and supply chains. Read why ...

In addition to international stakes, states and cities face additionally challenges to acting autonomously this time around.

Even more likely than an all-out invasion of Taiwan may be “gray zone” pressures, such as cutting internet cables.

Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of ...