They were in waist-deep snow and whiteout conditions ... “I couldn't open the chest because my hands were frozen." The two sat there with the wind blowing on them for about six hours.

Study reveals why rain and snow are hard to tell apart near freezing, showing limits of weather data and machine learning.

Designed with precision engineering, they are equipped to power through deep snow, frozen lakes, and ice-covered terrains. Whether for scientific research or daring exploration, these vehicles are ...