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What’s the Best Mix of Oceans to Land for a Habitable Planet?

Earth is about 29% land and 71% oceans. How significant is that mix for habitability? What does it...

Volcanoes are the worst. They’ve caused extinctions on Earth, and probably killed Venus

Is there anything good about volcanoes? They can be violent, dangerous, and unpredictable. For modern humans, volcanoes are...

Is Earth a self-regulating organism? New study suggests our planet has a built-in climate control

-- Shares Facebook Twitter Reddit Email view in app The Permian–Triassic extinction event, also called The Great Dying ,...

Mapping the Interiors of Meteorites to Learn how Earth got its Water

Earth is a strange world. A warm, rocky planet covered with oceans of liquid water. This strangeness...

Earth’s First Known Mass Extinction Event Starved Life of Oxygen

650 million years ago, Earth was completely or almost completely frozen, according to the Snowball Earth Hypothesis. As...

Three New Potentially Hazardous Asteroids Discovered, Including a big one That Measures 1.5 km Across

An asteroid 1. 5 km across is no joke. Even a much smaller one, about the size of...

Good News! The Ozone Hole is Continuing to Shrink

Most of us don’t think about ozone as we go about our daily lives. Yet, this pale blue...

The Most Devastating Solar Storms in History are Scoured Into Tree Rings

Trees are like sentinels that preserve a record of shifting climates. Their growth rings hold that history and...

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