New research suggests the asteroid that killed the dinosaurs came from beyond the outer Solar System, confirmed by rare ...
The largest deposits of iridium are found in South Africa and Russia, where it is mined as a byproduct of nickel. 2. Osmium: The Densest Naturally Occurring Element Osmium is a hard, bluish-white ...
A 60-year-old Hawaii man pleaded guilty Monday to violating the Atomic Energy Act by transferring equipment containing ...