Beneath the crust of North America, scientists have found that the deep roots of the continent are slowly dripping away in ...

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

But don't worry, the continent isn't about to collapse. These are incredibly slow geological processes, happening over ...

It took just 1 hour and 40 minutes for the moon's shadow to race more than 4,000 miles (6,500 kilometers) across the ...