The fingerprint of strontium is evidence of the creation of heavy elements The universe had cooled sufficiently 370,000 years ...

Painted ladies are the ultramarathoners of the butterfly world—even more so than monarchs. Scientists have long known about ...

Particle-accelerator study focuses on the r-process thought to be responsible for forming elements heavier than iron ...

This is where a radioactive form of strontium (strontium-94 ... "The weak r-process plays a crucial role in the formation of heavy elements, which astronomers have observed in ancient stars ...