The peculiar sighting is just one of several to have been reported over the Russian capital recently.
The photographs seem to show an anomalous object appearing and disappearing within a matter of seconds.
Thermal footage of a strange object flying over the Bristol Channel in the UK has been uploaded online.
Two witnesses described seeing a large circular craft flying above a Scottish beach on Friday morning.
Several witnesses have reported seeing a helicopter pursuing two triangular shaped objects over Exmouth.
Dubious footage of a gigantic disc-shaped object filmed in Malaysia has gone viral online this week.
A house at the center of the 1977 Broad Haven Triangle UFO mystery has recently gone on the market.
For decades, military personnel at US atomic weapon sites have reported sightings of strange objects.
Footage has surfaced online of a truck hauling what looks like a flying saucer along a US highway.
Today marks the anniversary of the famous UFO crash that occurred in Roswell, New Mexico in 1947.
Victor Viggiani released the documents to the public during the Alien Cosmic Expo event on Saturday.
The plaque is located at the site where Bob Taylor famously encountered a strange object back in 1979.
Vanessa Oliver had already witnessed the object several times before finally recording it on her phone.
A man with over 30 years of aviation experience has recorded footage of two unknown objects over Ohio.
The model craft was loaded on to a truck by thieves last Saturday before being dumped in nearby woods.
John Podesta maintains that he has convinced Hillary Clinton to declassify secret documents about UFOs.
An investigation was conducted by authorities in Brazil following a spate of UFO 'attacks' in 1977.
John Macdonald from Scotland managed to take an impressive picture of a strange, brightly lit object.
An unidentified US Navy officer claims that he saw evidence of UFOs at the Moffett Field naval base.
Founded back in 2011, the controversial department had managed to investigate just ten UFO sightings.