Even though Elon Musk's SpaceX is busy formulating plans to take humans to Mars, critics believe that these missions could never get materialized due to various reasons
A few months back, it has been reported that a mysterious source located in China is sending greenhouse gases to the atmosphere, thus causing depletion of the ozone layer
Even though NASA has not detected any asteroids causing imminent danger, Öpik strongly believes that the chance of a deep impact in the future is 100 percent