Lava

The moon is hostile. A newly found cave could be a lifesaver.

Science

The moon is hostile. A newly found cave could be a lifesaver.

The moon is hostile. A newly found cave could be a lifesaver.

What La Palma's 'lava tubes' tell us about life on other planets

Environment

What La Palma's 'lava tubes' tell us about life on other planets

What La Palma's 'lava tubes' tell us about life on other planets

Iceland's eruptions quiet down—but the end likely isn't near

Science

Iceland's eruptions quiet down—but the end likely isn't near

Iceland's eruptions quiet down—but the end likely isn't near

Is Iceland's latest eruption the most dangerous yet?

Science

Is Iceland's latest eruption the most dangerous yet?

Is Iceland's latest eruption the most dangerous yet?

Iceland bracing for unprecedented volcanic eruption

Science

Iceland bracing for unprecedented volcanic eruption

Iceland bracing for unprecedented volcanic eruption

The world’s loneliest volcano may hold something truly rare

Adventure

The world’s loneliest volcano may hold something truly rare

The world’s loneliest volcano may hold something truly rare

Crystal lava shards offer a peek into a volcano’s underworld

Science

Crystal lava shards offer a peek into a volcano’s underworld

Crystal lava shards offer a peek into a volcano’s underworld

Volcanoes don’t erupt on schedule—but they have been in Iceland

Science

Volcanoes don’t erupt on schedule—but they have been in Iceland

Volcanoes don’t erupt on schedule—but they have been in Iceland

Iceland has entered a new volcanic era

Environment

Iceland has entered a new volcanic era

Iceland has entered a new volcanic era

Explore a billion-year-old volcanic mystery on Lake Superior

Travel

Explore a billion-year-old volcanic mystery on Lake Superior

Explore a billion-year-old volcanic mystery on Lake Superior

Mauna Loa erupts for first time in 38 years—what happens next?

Science

Mauna Loa erupts for first time in 38 years—what happens next?

Mauna Loa erupts for first time in 38 years—what happens next?

The story behind 9 of the photos from our Pictures of the Year

Photography
Behind the Cover

The story behind 9 of the photos from our Pictures of the Year

The story behind 9 of the photos from our Pictures of the Year

Lava built this island—then entombed towns in stone

Magazine

Lava built this island—then entombed towns in stone

Lava built this island—then entombed towns in stone

A glimmer of hope for one of the world's rarest penguins

Animals

A glimmer of hope for one of the world's rarest penguins

A glimmer of hope for one of the world's rarest penguins

Mysteries lurk below Iceland's restless volcanoes

Science

Mysteries lurk below Iceland's restless volcanoes

Mysteries lurk below Iceland's restless volcanoes

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