Add Yahoo as a preferred source to see more of our stories on Google. Two planets, the left one with pinkish hues, connected by a jagged line like a heart rate monitor to the right planet, earth. A ...

Earth’s oxygen-rich atmosphere, the very thing that allows complex life to exist, may not last forever. Coupled biogeochemistry and climate simulations estimate that the planet’s breathable air could ...

Welcome to the early solar system. Just after the planets formed more than 4.5 billion years ago, our cosmic neighborhood was a chaotic place. Waves of comets, asteroids and even proto-planets ...

FX's new sci-fi series Alien: Earth, created by Noah Hawley, finally answers one of the biggest questions fans ask whenever a new Alien project arrives — where does it fit into the franchise's ...

The field’s governing body ratified a vote by scientists on the contentious issue, ending a long effort to update the timeline of Earth’s history. By Raymond Zhong See more of our coverage in your ...

(CNN) — Scientists have identified the geological site that they say best reflects a proposed new epoch called the Anthropocene — a major step toward changing the official timeline of Earth’s history.

Eight reactions could connect ancient Earth to modern day. Here's how. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A missing piece of Earth's ...