Researchers find that shifts in Earth’s orbit can trigger abrupt climate changes, even in warm periods without ice sheets.

Earth’s rotation is slowly slowing, scientists say, meaning days are getting longer, though the change takes millions of years, raising intriguing questions about how time, life and the planet quietly ...

You do not usually notice oxygen unless it is missing. It is just there when you wake up, when you step outside, when you ...

Scientists are sharpening their forecasts for how long Earth can remain a comfortable home for complex organisms, and the latest work points to a much earlier cutoff than the classic textbook ...

Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field.

Clouds play an important role in determining the current and future temperature and global warming rate of the Earth. They simultaneously cool the Earth by reflecting sunlight and warm the planet by ...

The oxygen in Earth's atmosphere is key to making ours the only planet known to harbor life, but this precious resource is in limited supply. Although it is the best-known component of the air we ...

New research reveals the Moon may have been silently collecting Earth’s atmosphere for billions of years. Scientists now ...