Our Planet

Anthropocene

Is This Plan to Combat Climate Change Insane or Insanely Genius?

Harvard physicist David Keith wants to use two jets and one million tons of sulfur dioxide a year to halt global warming

A pelican dives for dinner among an unsuspecting school of fish.

Paper Turtles and Frisky Skates Bring This Indoor Seashore to Life

A new exhibit at the National Aquarium in Baltimore takes visitors on a trip to the beach and into the dark depths of the Atlantic

The Cosmic Navel is larger than it appears in this image—it spans about 200 feet wide and is between 16 and 65 feet deep.

How the Giant "Cosmic Navel" Formed in Utah

The unique landform in Grand Staircase-Escalante National Monument is essentially one of the biggest potholes on Earth

Lightning crackles across the sky over Canyonlands National Park in Utah.

New Research

Rockets and Microphones Reveal the First Images of Thunder

The acoustic visuals could help us better understand the physical processes that drive lightning strikes

Evan Creelman, Newlight COO; Mark Herrema, Co-Founder and CEO; and Kenton Kimmel, Co-Founder and CTO, with a few products made of AirCarbon.

Smart Startup

Creating Plastic From Greenhouse Gases

Newlight Technologies is turning carbon emissions into plastic for everyday items

The marbled salamander is increasing its distribution and range in response to warming winter temperatures.

Anthropocene

Climate Change Will Accelerate Earth's Sixth Mass Extinction

The pace at which species disappear is picking up as temperatures rise, and things are looking especially troubling in the tropics

David Lerner uses a conductivity and temperature meter to test for sewage in water, a method that's more costly and less effective than using tampons.

How Scientists Are Monitoring Water Quality With Tampons

The feminine hygiene products glow under ultra-violet light after absorbing pollutants called optical brighteners

On October 7, 2014, protestors blocking the road, halted a groundbreaking ceremony for the Thirty Meter Telescope.

The Heart of the Hawaiian Peoples' Arguments Against the Telescope on Mauna Kea

Native Hawaiians are not protesting science, but instead are seeking respect for sacred places, and our planet

The Grand Prismatic Spring is one of the most indelible hydrothermal features in Yellowstone National Park.

New Research

Giant New Magma Reservoir Found Beneath Yellowstone

While an eruption is still unlikely, the find improves our understanding of the supervolcano underneath the national park

How Do Seals Find Their Prey and More Questions From Our Readers

You asked, we answered

Single-use cigarette lighters, collected by Mandy Barker, represent our transition to a consumerist, throw-away society.

Art Meets Science

This Artist Transforms Beach Trash Into Stunning, Majestic Images

Mandy Barker didn't have spend too much time on the shores to collect enough debris for her masterpieces

A walrus rests on an iceberg in Canada's Hudson Bay.

Inuit Wisdom and Polar Science Are Teaming Up to Save the Walrus

Traditional knowledge and scientific study are helping us begin to understand what a changing Arctic means for the marine mammal

A worker rescues a severely oiled brown pelican along the Louisiana shore in June 2010.

Anthropocene

The Gulf Oil Spill Isn't Really Over, Even Five Years Later

Two Louisiana scientists reflect on the event and how its lingering effects are continuing to change the Gulf Coast

Anthropocene

Five Things The Gulf Oil Spill Has Taught Us About the Ocean

While researching the spill, scientists tracked deep-sea sharks, found new mud dragons, and discovered a type of ocean current

Yum! A candy-colored view of the planet Mercury shows differences in its chemical makeup.

New Research

Earth May Have Become Magnetic After Eating a Mercury-Like Object

Swallowing a sulfur-rich protoplanet could help explain two lingering mysteries in the story of Earth's formation

A man holds his mobile phone as he sits in the ruins of a house in Minamisanriku, Japan, after the area was devastated by a magnitude 9.0 earthquake and tsunami in March 2011.

Getting a Push Notification on Your Cell Phone? It Could Be Warning You About an Earthquake

Sophisticated GPS sensors in the average mobile device could be harnessed for seismic early warning systems around the world

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Best Space Photos of the Week

An Einstein Ring and an Asteroid "Dart" Are Among These Space Stunners

A lensed galaxy and a mission to manipulate a space rock feature among our picks for this week's best space images

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Ask Smithsonian: Could the Volcano Beneath Yellowstone National Park Ever Erupt?

The good news is that an eruption there is highly unlikely, but the bad news is that it would be huge

The 1815 eruption of Mount Tambora in Indonesia left a huge crater, along with a sometimes unexpected legacy.

200 Years After Tambora, Some Unusual Effects Linger

Frankenstein, famine poetry, polar exploration—the "year without a summer" was just the beginning

Cavers stand amongst large gour pool walls and unique raft cone formations inside Hang Va.

Journey to the Center of Earth

These Breathtaking Photos of Vietnam’s Caves Bring Out the Armchair Spelunker in Everyone

Photographer Ryan Deboodt discovers beauty in this subterranean realm

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