There can be no magma ocean. If there's no magma ocean, where does the 'melt' come from that emerges from the volcanoes as lava? On Earth, melt is produced by tectonic forces. Because melt is less ...

A multidisciplinary synthesis of the Campi Flegrei, Italy volcanic setting highlights the importance of sub-caldera layering ...

Scientists have found previously undocumented ash deposits buried beneath the Lava Creek Tuff in Wyoming — and at least one of them could be from an unknown volcanic eruption, they say.

A 2022 satellite image takes in Mount Vesuvius, one of the planet’s most perilous volcanoes, bursting forth out of an unusual hole in the clouds. A stunning composite picture, taken from three ...

Scientists monitoring Alaska’s Mount Spurr said seismic activity continues to rise, indicating that the volcano is moving toward an eruption. The major risk of a Mount Spurr eruption is ashfall ...

Here, a supernova explosion of a star known as SN 2014J in the galaxy M82 appears in a Hubble Space Telescope composite ... Life on Earth has faced sudden, dramatic upheavals in the distant past, but ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, which is roughly the size at which an asteroid could take out a city ...

Asteroid 2024 YR4 won't hit Earth in December 2032, but that doesn't mean we're out of the woods forever. via REUTERS We could experience a rock market crash. Asteroid 2024 YR4 won’t hit Earth ...

Lava began bubbling out of Hawaii’s most active volcano once again on Tuesday as Kilauea's sporadic eruption resumed. The eruption restarted at midday when when molten rock began pouring out of ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. Lava began bubbling out of Hawaii’s most active ...

1. According to the US Geological Survey”Volcanoes are openings, or vents where lava, tephra (small rocks), and steam erupt onto the Earth’s surface”. 2. Volcanoes can be on land and in the ocean.