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The magnetic field has weakened 9% over the last 200 years. A weak spot in the southern Atlantic, which has grown bigger every year, has split in two.
A simple animation by two scientists reveals what Earth’s surface is made of — and how we only see 0.5% of the planet
Earth's surface, where all known life exists, makes up only 0.49% of its mass. Just below, the mantle glows green.
From cleaner beaches to less air pollution, here are 15 examples of how the world's condition is improving while people stay indoors.
A simple animation by a planetary scientist reveals what would happen without leap years: December would eventually drift into summer
The animation shows how leap years solve a crucial problem with our calendar: a year isn't actually 365 days.
NASA slowly drains the oceans in an incredible animation, revealing hidden underwater mountain ranges and ancient land bridges
The video offers a glimpse at the world ancient humans lived in by exposing the ice-age bridges they crossed between continents.
Aurora chasers discovered and filmed a new type of aurora that reaches across the sky like fingers. It’s called ‘the dunes.’
Scientists think the new aurora forms when electric currents from space create folds and curls in Earth's atmosphere.
A mysterious crunch in Earth’s magnetic field created a new type of aurora borealis. A NASA intern discovered it.
A NASA intern saw the aurora in 3-year-old footage of the Arctic sky. It's the first known aurora caused by Earth's magnetic activity.
From a toxic Ethiopian desert to a fiery Hawaiian volcano: These are the 10 most extreme places on Earth
From Ethiopia's Danakil Depression to Antarctica's Vostock station, some places on earth are almost inhospitable.
A handful of recent discoveries has transformed our understanding of Earth-like planets in the galaxy. Here’s why Earths might be common.
There could be up to 10 billion Earth-like planets in our galaxy alone. That's good news for astronomers seeking alien life.
The only #2009vs2019 photos we should care about — people are using the ’10-year challenge’ as a stark warning about what’s ha...
The only #2009vs2019 photos that really matter: how melting glaciers, rising seas, and warmer oceans have changed our planet in the past decade.