Scientists at Yale and in Singapore have devised what may be the ultimate acid test — a comprehensive model for estimating the origins of Earth’s habitability, based in part on ocean acidity. The new ...

It began the way many discoveries do — a tickling of curiosity in the back of someone’s mind. That someone was astronomer and communicator Carl Sagan. The thing doing the tickling was the trajectory ...

This easy Earth Moon Sun paper craft is perfect for some out of this world fun when learning about space. Here's how to make ...

All-woman team of researchers shows how 20 years of laser-based observations have improved our understanding of a changing planet In a new paper, scientists from five different institutions present an ...