Signs of two gases in clouds of Venus could indicate life, scientists say
‘Amazing’ new technology set to transform the search for alien life
April 2024
‘We live in a golden time of exploration’: astronomer Lisa Kaltenegger on the hunt for signs of extraterrestrial life
‘Is it aliens?’: how a mysterious star could help the search for extraterrestrial life
February 2024
Saturn’s ‘Death Star’ moon has hidden ocean under its crust, say scientists
Calculations suggest a 45-mile-deep internal body of water lurks beneath Mimas’s 15-mile-thick icy shell
January 2024
Pentagon ex-UFO chief says conspiracy theorists in government drive spending
‘It only takes one to be real and it changes humanity for ever’: what if we’ve been lied to about UFOs?
September 2023
Scientists hail pioneering software in hunt for alien life
Scientists excited to find ocean of one of Jupiter’s moons contains carbon
August 2023
Super-intelligent aliens are going to destroy humanity? Whatever
Joel Snape
I’ve thought long and hard about UFOs and interstellar predators, and I know I should be terrified. However …
Strange sightings: are there really UFOs in Port Talbot? – in pictures
According to actor Michael Sheen, the Welsh steel town has an ‘extremely high number of sightings’ of unexplained phenomena. Photographer Roo Lewis set out with his Port Talbot UFO Investigation Club
Today in Focus
How the search for UFOs reached the US Congress
The quest to discover whether or not we’re alone in the universe has become an obsession for many Americans. Some of them are elected officials, reports Adam Gabbatt in Washington DC
July 2023
US conducted ‘multi-decade’ secret UFO program, ex-intelligence official says
Whistleblower David Grusch claims ‘non-human’ beings found as issue of alien life receives highest-profile airing before US Congress
June 2023
Are aliens that bad at parking? What we need to ask about recent UFO revelations
Brief letters
Style points for extraterrestrials
April 2023
Blast-off to Jupiter moons postponed for fear of lightning strikes
Science Weekly
Juice Mission: why has the search for alien life moved to Jupiter’s moons?
December 2022
If aliens contact humanity, who decides what we do next?
Scientists setting up ‘post-detection hub’ in Scotland are concerned humans would react ‘like headless chickens’
July 2022
Out of this world: Guardian writers on their favourite movies with aliens
To celebrate the release of Jordan Peele’s new UFO thriller Nope, critics have picked their top films about extra terrestrials
April 2022
Jupiter’s moon Europa may have water where life could exist, say scientists
Surface features similar to ones seen on Greenland ice sheet suggest underground liquid water that could host organic matter