To understand the dawn of chemistry, scientists can’t use test tubes and flasks: They need a modified Boeing 747 jet. Caitlin Saks and Arlo Pérez Esquivel learn all about NASA’s unique SOFIA ...

In ancient Greek mythology, the Titan Prometheus was bound to a rock as punishment for stealing fire from the gods and giving it to humans. The rare radioactive element promethium was named after him ...

Scientists have revealed key properties of radioactive promethium, a rare earth element with poorly understood applications, using a groundbreaking new method. When you purchase through links on our ...

Catalysts that could recycle carbon dioxide into clean fuel. Compounds that could boost the power of batteries. Proteins that could transform how we treat disease. Every day, scientists hunt for new ...