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 ...

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 ...

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 asteroid 6 ...

With over 5,000 exoplanets — planets beyond our solar system — discovered to date, there's a growing interest in locating which of these planets might be habitable. It's no easy matter to find a ...