All news on the topic: Aliens

Scientists say the signals could be generated by extra terrestrials and have speculated the frequencies are either messages being sent or a way to power space craft

TV personality Uri Geller claims he spotted a UFO while he was thinking about how to communicate with aliens, and posted a video of the strange occurrence online

John Mooner, a full-time UFO investigator, was taking a day off at Exmouth Beach in Devon when he spotted something strange in the sky and quickly took a photograph

Harvard astrophysicist Avi Loeb recovered small fragments of iron from the ocean floor, and he believes they're evidence of alien life. He called NASA 'arrogant' for doubting it

NASA's Viking probes made history when they landed safely on the surface of Mars in the 1970s - the expedition hoped to find evidence of life on the Red Planet but the experiments conducted may have killed the organisms instead

Villagers say they are so terrified of the 'aliens', which they are calling 'Los Pelacaras' or 'The Face Peelers', they have set up their own night patrols in to protect each other

Ufologist Javier Carlos Cordero caught a bizarre looking creature which appears to have very long limbs and grey in colour with translucent skin, leaving people baffled

TV star and hypnotist Uri Geller is convinced aliens exist after seeing this snap of a naked female Martian in Nuevo León, Mexico, which left him stunned

The rocks appear to be scarred with wheels, an axle and debris, with experts stating a “fragment from an extra-terrestrial or terrestrial spacecraft cannot be discounted with absolute certainty”

One NASA scientist claimed that it's not a question of if we will find alien life, but when. While she said we’re close to finding life in our own solar system, others disagree.

Harvard physics expert and professor Avi Loeb says our universe may have been created in a lab by aliens, who have 'Godlike' intelligence and technological capabilities

Depending on the planet's gravitational pull due to where it is in its solar system, life there could have evolved into elephant-sized spiders or even mice like rhinoceroses, according to leading scientist Richard Dawkins

It looks like any other sleepy town, but the skies above the nation's UFO hotspot are often ablaze with mysterious balls of light and unidentified space crafts, according to locals

Young Carrie Henn won awards for her portrayal of Newt, a child orphaned by a Xenomorph infestation at a mining community on a remote exomoon in the 1986 sequel to Alien - but she had bigger dreams than Hollywood

Journalist George Knapp told Congress that the Russian military has had a number of run-ins with UFOS since the late 1960s including a terrifying incident at a missile silo in Ukraine

Mystery surrounds the claims of a whistleblower and former intelligence official regarding a major cover-up of indications of alien material found on Earth by the US

Watch live as the US Congress's House oversight committee hears extraordinary claims about UFOs and alien vehicles in a historic hearing involving supposed whistleblowers from the military and the intelligence services

A 'crash retrieval' program has been sponsored by the US government for decades, alleges a former air force intelligence official - and says those experts work on reverse engineering alien spacecraft

A former United States Air Force (USAF) officer and intelligence official testified under oath today that he and many other coworkers experienced brutal retaliation and 'administrative terrorism' from superiors when they tried to raise alerts about UFO sightings

As the UFO congressional hearings go on, an ex-navy commander is recounting his experience filming a spaceship jump in a way that 'defied the laws of psysics'

Technology that 'did not originate on this earth' has been found by the US, former defence official Christopher Mellon has claimed. It comes ahead of Congress hearing on UFOs

Scientists have been pondering for the last three decades over what - or who - could be sending the 21-minute waves, which they initially thought may have come from a dying star

A shockingly bright green fireball was caught on camera and caused UFO fears in a normally quiet Louisianna community

A woman, who identifies as a "bimbo alien", has shared how her image has changed over the years, admitting that she used to go for a "gothic" image and people judged her for it

The Viking lander mission touched down on Mars in the mid-1970s and carried out a number of tests for alien life, including introducing water into soil samples, that could have actually killed the organisms