By sequencing and analyzing 15 ancient genomes found throughout the Americas—six of which were older than 10,000 years—these researchers determined that, around 8,000 years ago, the ancestors of Native Americans were still on the move, migrating away from Mesoamerica (what is today Mexico and..…

Thus, the 28 million people living in Texas are represented by only two Senators, whereas the 27 million people living in the combined states of Alaska, Delaware, Hawaii, Idaho, Kansas, Maine, Mississippi, Montana, Nebraska, Nevada, New Hampshire, New Mexico, North and South Dakota, Rhode..…

A magnitude 7.1 earthquake had struck near the city of Puebla, about 75 miles (120 kilometers) south of Mexico City. ..…