American scientists found splinters of a very old meteorite in Antarctica. They claim this meteorite 250mln years ago could have provoked extinction of many life form on Earth. As a result of that catastrophe the planet lost about 70% of ground animals and plants and around 90% of sea life forms, writes "Science".
Consequences of that catastrophe could have been much more serious that those of 65mln years ago, when dinosaurs disappeared.
The crisis between Ukraine and Russia is enriched by a new war front: the Sea of Azov. The body of water by the Kerch Strait sees a dangerous escalation
Representatives of the Russian Defence Ministry said that the missile that shot down the passenger Boeing 777 aircraft over the Donbass on July 17, 2014, was manufactured in 1986