From the surface, Earth looks like a relatively ordinary rocky planet, wrapped in clouds and a thin blue atmosphere. A new line of research argues that, hundreds of millions of years ago, it may have ...

Scientists now suspect Earth may have had a rocky ring system around 466 million years ago, after researchers found 21 ancient impact craters clustered within 30 degrees of the ancient equator. The ...

In May 2024, auroras were observed at unusually low latitudes across the globe, lighting up skies that rarely see such displays. Inside Earth's magnetosphere, the region of space surrounding our ...