资讯

The Daily Galaxy on MSN2 小时
America’s Deepest Canyon May Have Formed Overnight—Here’s the Evidence
Geologists have uncovered compelling new evidence that reshapes the understanding of Hells Canyon, America’s deepest river ...
Live Science on MSN23 小时
Hells Canyon caves reveal unexpected finding about America's deepest gorge
About 2,000 feet deeper than the Grand Canyon, Hells Canyon was rapidly carved when a lake spilled over about 2.1 million ...
Fired up
Layoffs of crews used to fight wildfires could upend response to anticipated blazes across the West, and the country ...
Trump administration says he has the authority to cancel national monuments that protect ...
Lawyers for President Donald Trump's administration say he has the authority to abolish national monuments meant to protect historical and archaeological sites across broad landscapes, including two ...
SFGate21 天
Scientists make major discovery about America's deepest canyon
Matthew Morriss, the study’s lead author and a geologist with the Utah Geological Survey, studied Hells Canyon as a graduate student at the University of Oregon after an earlier field trip to ...
NPR25 天
Hells Canyon, the deepest gorge in the U.S., is surprisingly young
"The Hells Canyon, despite being a deeper canyon, has not really attracted as much modern scientific interest," says Matthew Morriss, a geologist with the Utah Geological Survey. He personally ...
Utah Public Radio25 天
Hells Canyon, the deepest gorge in the U.S., is surprisingly young
"The Hells Canyon, despite being a deeper canyon, has not really attracted as much modern scientific interest," says Matthew Morriss, a geologist with the Utah Geological Survey. He personally became ...