Researchers has detected the element tellurium for the first time in three ancient stars. Tellurium is rare on Earth. Nearly 13.7 billion years ago, the universe was made of only hydrogen, helium and ...

Nearly 13.7 billion years ago, the universe was made of only hydrogen, helium and traces of lithium — byproducts of the Big Bang. Some 300 million years later, the very first stars emerged, creating ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Light from three ancient stars at the edge of the Milky Way indicates that the stars contain ...

Early periodic tables were incomplete, since many elements were unknown. Also, some elements were placed in groups with elements that were not similar to them. Mendeleev left gaps in his table for ...

New technologies often mean elements start moving through the environment in new ways. Take lead plumbing: it helped provide access to fresh water for the masses, but left a toxic legacy that remains ...

CAMBRIDGE, Mass. — Nearly 13.7 billion years ago, the universe was made of only hydrogen, helium and traces of lithium — byproducts of the Big Bang. Some 300 million years later, the very first stars ...