Today, the upheavals of plate tectonics continually reshape Earth. When this began is much disputed - and we can’t fully understand how life began to thrive on our planet until we figure it out ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

In doing so, Mr. Trump in effect declared that he was willing and even eager to push the boundaries of his authority, the resilience of American institutions, the strength of the nearly two-and-a ...

Getty Images/Pedro H. Tesch Coming off a victory over Internacional last week, Mexico visit River Plate at the Estadio Monumental in Buenos Aires, Argentina, to put an end to their adventure in ...