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Will Hawaii’s Kilauea Volcano explode?

Volcano scientists issued a second Orange Alert on Wednesday. “At this time, we cannot say with certainty that explosive activity will occur, how large the explosions could be, or how long such explosive activity could continue.”

Here’s why volcanoes are so dangerous

When mountains explode … lava flows and fountains … getting ready for the next eruption.

Hawaii’s erupting Kilauea volcano

Kilauea is one of the world’s most active volcanoes. Here are images and video from its ongoing eruption in Hawaii.

Snowball Earth due to plate tectonics?

New research suggests that as great land plates began to shift and move on Earth’s surface, our world became what geologists call a Snowball Earth.

It’s nesting season for sea turtles

Adult female sea turtles – on beaches from North Carolina to Texas and throughout the Caribbean – are crawling out of the ocean and laying their eggs. Here’s an update from a biologist who’s been studying these turtles for 36 years.

Help NASA create the world’s largest landslide database

NASA researchers have launched a citizen science project requesting your reports on landslides you’ve seen, heard about in the news, or found in an online database. Photos welcome!

What causes landslides?

Most landslides are caused by multiple factors that act together to destabilize the slope. Excessive water is one of the most common triggers for landslides.

Ample warning for supervolcanos?

Yellowstone’s supervolcano won’t erupt anytime soon. Neither will other similar systems around the world. A new study says we’ll see many warning signs before a supervolcano erupts.

See 15 years of change in the Arctic

Mesmerizing new video, made from 15 years of satellite data, shows the waxing and waning of Arctic ice and snow as the seasons change.

Cool video! When humans stalked a giant sloth

Fossil footprints track a prehistoric hunt.

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