Analyzing dust sticking on astronauts' gloves, the researchers found iron, water and helium in moon dust.
Scientists identified the giant rock meteorite that fell to Earth half a century ago containing dust and is believed to be the oldest solid material.
A multinational team has found evidence of an ice age of life caused by a giant asteroid 466 million years ago.
The Field Museum in Chicago (USA) said it had collected 234 meteorite pieces of the terrorist that exploded in the sky of Russia's Urals region in February.