Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth is illuminated against the blackness of space in this ...

A collaborative team of scientists has discovered that life on Earth over three billion years ago relied on the metal molybdenum, which was incredibly scarce in the environment at the time. The study, ...

In the Pilbara of Western Australia, some of Earth’s oldest rocks lie beneath the sky, as they have for billions of years. They are dark, weathered volcanic rocks, close to 3.5 billion years old, cut ...

Rare-earth deposits are not really that rare in the Earth's crust. It is just challenging to find them in concentrations high enough to make mining them economically feasible. The term refers to 17 ...