Atmospheric circulation governs weather and climate, but it also carries angular momentum. When winds shift or mass ...

Celestial bodies in the solar system can be compared from various perspectives, such as size, temperature, and atmosphere.

LHS 1140b is a potentially rocky exoplanet in its star’s habitable zone. It’s an intriguing target in the search for worlds ...

A new look at ancient rocks suggests that a self-sustaining nutrient cycle in ancient oceans helped keep Earth's atmosphere rich in oxygen for millions of years.

A positive feedback loop may have driven carbon sequestration within the deep Pacific and shaped a cooling climate over ...

HD 3167 b is hot enough to melt rock, yet strangely cool for a planet hugging its star. Scientists think an atmosphere may ...

More than 2 billion years ago, oxygen began building up in Earth’s atmosphere, changing the planet’s future. But scientists ...

Why Did the Earth Cool Down? Reading the Record of Glaciers from About 2.4 Billion Years AgoAbout 2.4 billion years ago. The Earth was undergoing a major change unlike anything before. Oxygen produced ...

If Earth instantly stopped spinning, the physics of a car crash would happen on a planetary scale. If Earth suddenly stopped spinning, the ground would stop and everything on it would not. That ...

A daring mission failed to rescue NASA’s Swift telescope, and the nearly 22-year-old observatory will soon burn up in Earth’s ...

A nutrient feedback between phosphorus, sulfur and microbes may explain how Earth repeatedly rebuilt its oxygen-rich atmosphere.

More than 2 billion years ago, oxygen became a permanent part of Earth’s atmosphere. What happened next has puzzled ...