Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

Scientists at the University of Southampton have uncovered evidence from ancient rocks that Earth's climate continued to ...

Ancient Scottish rocks prove Earth had seasons and climate cycles even during Snowball Earth period despite near total ...

"Earth Day has always been an event of the people." On April 22, 1970, 20 million people across the globe celebrated the very first Earth Day. The idea was sparked by the power of the anti-war ...

A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's ...

Ancient enzymes show life’s nitrogen signal stayed unchanged for billions of years, helping scientists read early Earth.