The biohybrid robot is half electronic and half organic, and could be the first step towards something bigger.
Most astronomers believe that if a human were to fall into a black hole, they would be sucked in by gravity and destroyed, but a new study suggests that if someone went through this experience, they could survive and erase their past.
The site is so impressive that it became known as the "Pompeii" of America.
The document was written by a witness at the time and explains how the immense granite blocks arrived at the monument.
Archaeologists from Turkey discovered the ruins of a castle belonging to the Urartu civilization during underwater excavations in Lake Van.
The ancient lost city remained intact, protected by the rainforest.
NASA has already recorded bursts of radiation from the Sun that could kill a human, but that was in 1972 and would only hit astronauts in orbit.
The secrets revealed of the incredible city in the clouds built by the Incas.