The concept of time dilation refers to the different times measured by two clocks if one of these devices is on Earth and the other one is on a spaceship
The archaeologists found the Burnt Church and mentioned that during the Byzantine period at least seven churches "coexisted" around the Sea of Galilee.
Elon Musk previously revealed humans are not capable to protect the earth from a doomsday asteroid hit but if it happens, who will be left on earth is revealed.