With a competent guide, active volcano treks are both safe and worth the climb. Here are some of the tallest active volcanoes ...

Mantle plumes were the implicit link in previous studies relating BLOBS to giant volcanic eruptions. Their shape is a bit ...

Volcanic eruptions at Earth's surface have significant consequences. Smaller ones can scare tourists on Mount Etna or disrupt air traffic .Authors ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

From murderous mountains to boiling hot springs these are the world's most dangerous natural attractions, ranked.

Too dangerous, too expensive, too dull or too difficult. Some destinations have undeserved or outdated reputations and may be ...

Join us as we hike one of the most active volcanoes in the world—Mount Etna in Sicily! From lava fields to breathtaking views ...

Indonesia’s rumbling Mount Lewotobi Laki Laki erupted Monday, sending a column of volcanic materials as high as 18 kilometers (11 miles) into the sky and depositing ash on villages.

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

The ash cloud above Mount Lewotobi Laki-laki on Monday was about four times taller than the one produced by an eruption there last month.