The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond ...

Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass ...

That's great for hydropower, recreation, and ensuring there's enough water for basic human needs—but how those dams affect ...

Atomic clocks — among the most precise instruments humans have ever built — have been keeping track of Earth’s spin since the ...

Scientists have long agreed this event was triggered by a sudden surge in greenhouse gases which resulted in an intense and ...

As climate change threatens tropical forests, a new study shows how the loss of those forests can be devastating to life on ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...