The curious minds at What If see the effects if you fell into quicksand, exploring suction, physics, and survival strategies.

The reason you don't normally sink into the sand when you go to the beach is due to a physics phenomenon known as force chain. Basically, when a bajillion grains of sand are jammed together in one ...

The UK's 'most dangerous' walk is known as The Broomway in Essex and dozens of people have lost their lives there after ...

Invasive species are imported as livestock, pets and attractions in zoos. Some hitch rides on plants, on the bottom of a boot, in the ballast of ships. Then they wreak havoc. Here's how we're ...

Peruvian authorities say intense rains in the south have triggered deadly mudslides and major damage in the city of Arequipa.

The bodies of all the skiers who died in Tuesday's avalanche near Lake Tahoe have been recovered, authorities said Saturday.

The massive storm that buried the New York metropolitan area in upwards of 2 feet of snow this week claimed at least six ...

California search-and-rescue teams have recovered the bodies of all nine missing skiers killed in a devastating avalanche in a remote region of Sierra Nevada mountains.

A missing skier has been found dead at a Lake Tahoe resort — just days after eight were killed by an avalanche in the backcountry nearby. Colin Kang’s body was discovered at the black diamond Sugar ...

One person was killed in an avalanche in the Wasatch backcountry on Wednesday, according to the Utah Avalanche Center.

On Feb. 18, a man and his minor son were snowmobiling in the area of Snake Creek near Midway, Utah, in Wasatch County, which ...

When a catastrophic avalanche washed over parts of the High Sierra, first responders rescued six survivors and discovered ...