In his book Extraterrestrial: The First Sign of Intelligent Life Beyond Earth' Avi Loeb lays out his theory about a space object that entered our solar system a few years ago.
NASA JPL and California Institute of Technology scientists suggested that most of the alien civilizations that ever dotted our galaxy have probably killed themselves off already
The Great Conjunction, which is taking place after 400 years, can be viewed from almost everywhere in the northern hemisphere in naked eye, an hour after sunset.
As space agencies exploring the idea of space mining, scientists tested bacteria on the ISS that can potentially help extract minerals from the Moon and Mars
Scientists believe that this asteroid, which shares startling similarities with the moon could have been formed during the ancient days of cosmic collision