Autumn’s softer light and cooler temperatures are bringing back the joy of mountain bike rides for many Southern Nevadans.

Volcanic hazards increased Thursday from the middle East Rift Zone eruption of Kilauea that began Sunday inside Hawai ‘i Volcanoes National Park, according to the National Park Service. The Park ...

The truth about what would happen to your body if you fell into a volcano is leaving people traumatized and it's safe to say ...

Scientists creating a gravity map of Mars have discovered the presence of mysterious large-scale structures hidden beneath a ...

We know Mars once had an active geological past, filled with water, volcanic activity, and dynamic geological changes. Now, ...

The Kilauea volcano on Hawaii has erupted. Gigantic lava fountains shoot up to ten meters into the air through a fissure in ...

Volcanic hazards increased Thursday from the middle East Rift Zone eruption of Kilauea that began Sunday inside Hawaiʻi Volcanoes National Park, according to the National Park Service.

Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots.

The Big Island of Hawaii's Kahaualea Natural Area Reserve and the Captain's Trail are closed with Kilauea erupting.

An astronomer is suggesting that Mars once had a large moon that exerted enough force to create a large bulge on its surface.

Kīlauea Volcano activity prompts a 90-day closure of the Kahaualeʻa Natural Area Reserve in Puna for safety reasons.

Videos from the U.S. Geological Survey showed lava spewing from a fissure in the volcano, into the Nāpau Crater in the middle of the volcano's East Rift Zone.