Unusual potassium isotope signatures in Chang’e-6 lunar samples point to extreme conditions created by the impact that formed ...

Because the nuclei involved are extremely rare and short-lived, scientists usually rely on theoretical models rather than ...

Oxygen isotope analysis of lunar soil shows meteorites delivered only a limited amount of water to the Earth–Moon system ...

Nuclear medicine techniques are becoming increasingly important not only for cancer care but also for diagnosing cardiac and neurological disorders ...

Gold and other heavy elements are born in some of the universe’s most violent events—but scientists still struggle to understand the nuclear steps that create them. Now, nuclear physicists have ...

Gold cannot form until certain unstable atomic nuclei break apart. Exactly how those nuclear transformations unfold has long been difficult to ...

When winter sets in and food becomes scarce, some mammals hibernate, entering a state of deep rest that slashes their energy needs and allows them to fast for months. However, fasting deprives them of ...

The Sahara Desert, now the largest hot desert on Earth, was once dramatically different. Geological evidence from caves in ...

Even in this modern world, there are still so many things science can’t explain. What goes on inside a black hole? Are we alone in the universe? What’s the secret to human happiness? And perhaps most ...

Ancient parrots really got around. A new analysis of their DNA found that humans transported living Amazonian macaw parrots across the Andes mountains to coastal Peru hundreds of years before the Inca ...