Many artists are inspired by the beauty of the desert Southwest, but Emily and Matthias Düwel also see something happening to that landscape. Their paintings reflect themes of environmental change and a call for sustainability.
Two California astronomers presented evidence for a new planet beyond Neptune on Wednesday. The prediction could reopen the debate about how a planet is defined, says an astronomer at Lowell Observatory in Flagstaff.
The pilot of a crashed F-16 fighter jet in northern Arizona was a student at Luke Air Force Base from the Taiwanese Air Force. Human remains have been found at the crash site, the military said Thursday night.