Fragments of asteroids regularly land on Earth as meteorites. If you examine such a find, you can see that it comprises millimetre-sized round stones, known as chondrules. These small particles are ...

Caitlin Saks and Arlo Pérez Esquivel, joined by Alex Clark, investigate how the planet naturally turns CO2 into stone, and how scientists are trying to speed up this process. Cornell University ...

How unique is Earth? Our new telescope can begin answering that question. But it will turn to a surprising source to find some clues. The ultra-powerful James Webb Space Telescope will catch a glimpse ...