Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as once believed. New research from ancient Scottish rocks reveals that during ...

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...

An exoplanet called HD 137010 b might be the closest thing astronomers have ever seen to “Earth 2.0.” The trouble is that it’s only been seen once—and may never be glimpsed again ...

This time last year, the world was gripped by reports that an incoming, nearly 200-feet-wide asteroid had a tiny, tiny chance ...

Deep below the crust and mantle, far beyond the reach of any drill, Earth’s core may be hiding a planetary-scale cache of ...

Our home planet is in a hurry. On June 29, 2022, Earth completed the shortest day since scientists started keeping records in the 1960s, pulling off a full rotation 1.59 milliseconds faster than usual ...

The Earth’s oceans have risen and fallen over the millennia. But they have, on average, been relatively stable over billions of years. The balance of the deep water cycle—the exchange of water between ...

As rising global temperatures melt Earth’s polar ice sheets, the shifting water is creating such a huge redistribution of our planet’s mass that its rotation speed is dropping. This unusual result of ...