Watch the NASA's live stream from the International Space Laboratory that allegedly shows an unidentified flying object (UFO) above Earth's horizon.
Mars could have been become hostile to life due to a super-drought.
A depression discovered on the Martian surface could have had ideal conditions needed for harboring alien life.
The mysterious UFO appeared to have lit up the darkened sky as it continues to move at a brisk pace before disappearing behind a row of trees.
A paranormal investigator has recently claimed that the United Kingdom has its own version of the Area 51, a mysterious region in the U.S.
The Breakthrough Listen project has enlisted the help of the Parkes telescope in Australia to find aliens.
Aliens can now be sniffed out on Mars with the help of NASA's new instrument.
Can the search for aliens be more successful after 11 years due to rare celestial event? Know more
The discovery of an object fuelled speculation that aliens visited Earth 250,000 years ago, know why and how.
A pair of astronomers has recently suggested that aliens are trying to contact us.
Assuming one day we may contact aliens, how will we have a conversation with them? Scientists have spent countless hours thinking about ways alien civilizations could contact humans. Some of their ideas are nearly as imaginative as Hollywood's wildest tales.