Spanning 25 miles in diameter, this crater is three times the size of the Grand Canyon, making it the largest known impact site in the U.S. and the 15th largest on Earth. The asteroid’s ...

According to The Independent, the latest eruption occurred at around 1.15 am local time on Tuesday, sending a tower of ash more than 3 miles (5 km ... from near Ruang’s crater.

U.S. News Insider Tip: If you're looking for a unique adventure, consider camping inside the crater. There are three wilderness cabins accessible via a minimum 3.7-mile hike from the summit.