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Antarctica’s Thwaites Glacier got its nickname the “Doomsday Glacier” for its potential to flood coastlines around the world if it collapsed. It is already contributing about 4% of annual ...

A climber was found dead Sunday in Glacier National Park, after going missing a week earlier when he separated from his hiking group, officials said. Grant Marcuccio apparently fell to his death ...

A climber who vanished early last week in Glacier National Park has been found dead after suffering an apparent fall, the National Park Service says. Grant Marcuccio, 32, of Whitefish, Montana ...

The search for a missing climber at Glacier National Park is now on its fourth full day. Grant Marcuccio, 32, from Whitefish, Montana, was reported missing to park rangers on Sunday evening by ...

A search is underway for a climber who has been missing in Montana's Glacier National Park since Sunday evening. Grant Marcuccio, a 32-year-old from Whitefish, Montana, separated from his party ...

Rescue crews are scouring Glacier National Park for a 32-year-old Whitefish man who got separated from his party while hiking Sunday evening. Grant Marcuccio was last seen headed toward McPartland ...

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But is that kind of rapid collapse really as likely as feared? A new study of Thwaites Glacier's susceptibility to what's known as marine ice cliff instability offers some hope. But the findings ...

Ancient viruses preserved in glacial ice hold valuable information about changes in Earth's climate, a new study suggests. For decades, the Guliya Glacier, located above 20,000 feet in the far ...