Topic: Planet Earth
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
Decoding the Weather Machine
Explore Topic: Planet Earth
Can South Carolina's Salt Marshes Be Saved?
Many seafood dishes depend on an ecosystem that's easy to overlook: The salt marsh.
NOVA's top 5 science stories of 2021
Scientific advancements helped humans push through both the pandemic and the atmosphere this year, and a long-awaited visit from some underground insects set the country abuzz.
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate.
MOSAiC Scientists Measure Arctic Sea Ice Volume
Just how much ice is in the Arctic Ocean?
The Arctic Jet Stream Affects Global Climate. Here's Why.
The jet stream is a band of wind that influences weather in the northern hemisphere.
Lights Flashed in the Sky During Mexico's Latest Earthquake
On September 7, 2021, a magnitude 7.0 earthquake rocked southwest Mexico.
How aluminum wrap protects sequoias from wildfire
The material, developed from fire shelters used by wildland firefighters, is often wrapped around at-risk buildings in national parks. Now, it’s protecting some of the biggest trees on Earth.