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 ...

Earth Day is on Tuesday, April 22, this year. The annual observation is set aside to increase awareness around environmental issues like climate change, pollution, endangered species and other global ...

The Earth is embraced by its oceans and seas. And so are we. We depend on them for more than half of the oxygen we breathe. Ocean currents shape the slow march of climate and the daily changes of our ...

(CNN) — The early warning system to detect asteroids that pose a threat to Earth, operated by NASA and its collaborators around the world, got to flex its muscles. It successfully detected a small ...

Using carefully selected terrestrial rocks, engineers try to figure out how to work with crumbly rocks like the one the rover encountered on its first sampling attempt. Using carefully selected ...