Image: Canada-US heatwave seen by satellite

While heatwaves are quite common during the summer months, the scorching heatwave hitting parts of western Canada and the U.S. has been particularly devastating—with temperature records shattered and hundreds of people ...

Under Rainier's crater, a natural laboratory like no other

Counting all the ups and downs, he had climbed more than 15,000 feet to get here - past yawning crevasses and over cliffs where a single misstep could send a rope team tumbling. His party was pummeled by a lightning storm ...

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