Add Yahoo as a preferred source to see more of our stories on Google. The Moon has no real atmosphere, but Earth has, in a sense, been generously trying to share its own for billions of years. A new ...

The average level of carbon dioxide in the Earth’s atmosphere had its largest one-year increase on record between 2023 and 2024. In 2024, the level reached 423.9 parts per million, an increase of 3.5 ...

Scientists have uncovered a surprising mechanism that may explain how Earth cooled dramatically after the age of dinosaurs.

Researchers investigated the Mesozoic Era's atmosphere and vegetation by studying oxygen isotopes in dinosaur tooth enamel. This is a replica of a Stan™ T. rex tooth. Photograph: Thomas Tütken.

Evidence from fossil shells suggests that falling seawater calcium helped lock away carbon dioxide and helped cool Earth after the dinosaurs.

Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods ...

Earth’s atmosphere now has more carbon dioxide in it than it has in millions — and possibly tens of millions — of years, according to data released Thursday by the National Oceanic and Atmospheric ...

Earth’s magnetic field nearly collapsed long ago. What saved it explains why life survived and why the planet remains ...