Satellite image of the Earth with the Atlantic Ocean in the centre. From space, the Earth looks like a sphere or a ball. About two thirds of the surface is covered with water, and the rest is ...

About 252 million years ago, upward of 80% of all marine species vanished during the end-Permian mass extinction—the most extreme event of its kind in Earth's history ... quantitative predictions of ...

Millions of people across the world turned off non-essential lights for an hour on March 22 to observe Earth Hour 2025, a global movement aimed at raising awareness about climate change and ...

About 252 million years ago, upward of 80% of all marine species vanished during the end-Permian mass extinction—the most extreme event of its kind in ... of how the world should change based ...