The Perseids meteor shower will be active during the new moon in July. Here's when you can catch the celestial show in ...

Mount Rainier hasn't had a major eruption, with strong geologic evidence, in the past 1,000 years, Weiss-Racine said. This story has been updated to fix a typo.

Mount Rainier’s especially high elevation — 14,410 feet, the highest peak in the Cascade Range — keeps its summit colder than that of shorter mountains, which helps preserve its higher ...

A comparison of two photos submitted by Nanfito, each depicting a similar view of Emmons Glacier — the largest glacier on Mount Rainier — shows far more ice in August 1997 than in September 2024.