An Olmec site forged a building plan more than 3,000 years ago for widespread Olmec and Maya ritual centers across Mexico’s Gulf Coast.

The spiral-shaped Whirlpool galaxy may be the host of the first planet spotted outside of the Milky Way.

Clever experiments and new technology are taking scientists deep into the lives of jumping spiders, and opening a portal to their experience of the world.

For the first time, a pig organ was successfully attached to a human patient. It’s a step toward vastly increasing the supply of organs.