The dollar has just posted its worst first-half of a year since 1973. And now investors wonder — is it a sign that America is losing its financial standing?

The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly ...

There could be about a million 'orphan' oil and gas wells across the U.S. As they age, they can leak greenhouse gases or ...

Health Secretary RFK Jr. has said vegetable oils, like canola and soybean, are "poisoning Americans." But many researchers ...

Far more families are choosing to have fewer — or no — children. Many countries, including the U.S., now face a rapidly aging ...