A natural antibacterial molecule shows clinical promise. Its unusual binding site is on an excellent target: ...

NASA's Curiosity Rover has discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced ...

A tiny molecule called bombesin links starfish and humans in appetite control, revealing a surprising evolutionary connection.

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical ...

Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and plants.