The Western Interior Seaway formed about 100 million years ago when the mountains that now define western North America lifted up as a result of tectonic forces. Those same forces flexed the land east ...

Trek across this interactive map, ... Explore North America. Publish Date: ... Travel to Monument Rocks to unearth the remains of fish that once lived in a vast inland sea that covered the Midwest.

For more than 40 million years, North America's inland sea was filled with giant ammonites like these. But it's one thing to find marine fossils in the flatlands of Kansas.

Long before the Great Lakes came to define the heart of North America, a much larger lake once ruled the land. Lake Agassiz, a prehistoric inland sea, spread across the continent with a reach that ...

Situated a whopping 3,700 kilometers (2,342 miles) away from the Atlantic Ocean, it’s the farthest inland port in North America to serve oceangoing ships – and that’s not the only thing that ...

According to the BBC, Sheinbaum cited the United Nations Convention on the Law of the Sea, an international treaty, to say that the re-naming could only apply to 12 nautical miles out from America ...

The most salient of these features was the Malita inland sea. Our projections show it existed for 10,000 years (27,000 to 17,000 years ago), with a surface area greater than 18,000 square kilometers.

The extinct marine reptile, which may have reached 16 feet in length, lived in the inland sea that once split North America in two. ... Map shows ozone hole was size of North America at 2023 peak.

In the long term, the map could inspire and inform modeling efforts aimed at better understanding North America's geologic past, as well as the continent's present day tectonic intricacies.

These days, it takes about a week for a ship to sail from the Atlantic Ocean to Duluth, a 2,342-mile journey winding through the St. Lawrence Seaway and Great Lakes to the western tip of Lake ...

Some people consider the Great Plains of America to be "flyover country." The truth of that pejorative falls outside the realm of science. It is true, however, that 80 million years ago one could not ...