Organic chemistry is packed with rules about structure and reactivity, especially when it comes to making and breaking ...

The original version of this story appeared in Quanta Magazine. Ten years ago, the European Space Agency’s Rosetta probe pulled up alongside a dusty, icy lump the size of a mountain. The probe would ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The NASA Curiosity ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Complex organic molecules that form part of the chain of chemical reactions that can result in ...