Has the diverse ecosystem on Earth been born from planetary collisions?
The results of an international scientific study show that the planet collision 470 million years ago created a layer of dust leading to the ice age and then led to the diversityDimming stars can be exploited by extraterrestrials
A British physics professor said that the light reduction observed from the Earth by the star KIC 8462852 could be due to a progressive civilization living in a orbiting planet