Deep beneath the Pacific Ocean, geophysicists have uncovered enigmatic structures in the Earth’s mantle that challenge existing scientific theories. Using advanced seismic imaging, researchers ...

FROM the distribution of salinity, temperature, oxygen and radio-carbon observed in the deep oceans (deeper than 2,000 m) of the world, it seems that all the deep water in both the North and South ...

The United States’ southern border with Mexico is 1,933 miles long, stretching from the Pacific Ocean to the tip of South Texas. Some 700 of those miles have fencing in place. That’s not ...