Aliens are any living creatures that are not originally from Earth. They could be anything from intelligent life to simple bacteria; however, there was no concrete evidence to support life outside of our planet as of now. Scientists had allegedly found in an asteroid what could be Martian bacteria.
The Tunguska event of 1908 was a large explosion that occurred near the Stony Tunguska River, in Yeniseysk Governorate, now Krasnoyarsk Krai, Russian Empire, on the morning of 30 June 1908. The explosion over the sparsely populated Eastern Siberian Taiga flattened 2,000 km2 (770 sq mi) of forest and caused no known casualties. The cause of the explosion is generally thought to have been a meteor. It is classified as an impact event, even though no impact crater has been found and is generally thought to be the explosion of a meteor, though some regard it as an explosion of a UFO.
- Main article: Jellyfish of Petrosavodsk
On September 20, 1977 the first sighting of an Atmospheric Jellyfish occurred above the skies of Petrosavodsk.
Later in 1977 the Soviet party paper Pravda paper announced:
"... An intensely radiant 'star' which looked like a shining jellyfish, stood above Petrosavodsk. It moved slowly towards Petrosavodsk, throwing rays of light on the city. There were thousands of beams and it looked like heavy rain. A little later, the beaming came to an end, the source of light changed its brightness and moved towards Onezskoe lake. On the horizon were gray clouds, and when the object went in to these, a number of semicircles and circles of pink light appeared. The manifestation lasted 10 to 12 minutes."
January 29, 1986
The Height 611 UFO incident on January 29, 1986, was a supposed UFO crash which happened in Dalnegorsk, Primorsky Krai.
The Voronezh UFO incident of 1989.
The Sassowo explosions were two mysterious explosions which occurred on April 12, 1990, and July 8, 1992, equivalent to 25 tons TNT.
Early in 2012 a crashed titanium object, described as a "UFO fragment", was retrieved from a forest in the vicinity of Otradnenskoye, a rural locality in Novosibirsk Oblast, after strange sounds were heard there in December 2011. The smooth, silvery and U-shaped device, attached to a rounded section, and was not deemed to be related to space technology