Astronaut Catches Alien on Space Station in April Fools' Prank

Hadfield and Alien
Chris Hadfield's grand April Fools' Day finale shows him posing with an alien that just stopped by the station to say hi. (Image credit: Canadian Space Agency/Chris Hadfield (Cmdr_Hadfield))

When an alien parked a flying saucer at the International Space Station to say hello, astronaut Chris Hadfield turned to Twitter to report the earthshaking news. And if that sounds too good to be true … that's because it is. Hadfield, it turns out, is a prankster.

Hadfield had a ball with April Fools' Day in space today (April 1), with the UFO stunt just one of his pranks. Earlier, the Canadian astronaut used his Twitter handle @Cmdr_Hadfield to post a photo of himself with space "grenades" he found on the station. It turns out, there were just harmless air sampling devices.

Over the course of seven hours, Hadfield wrote five posts on Twitter slowly revealing his elaborate April Fools' Day joke.

"The view from where we fly the Canadarm2, with some orbital debris off in the distance," Hadfield wrote. [7 Ways to Create a UFO Space Hoax]

The picture he posted to accompany that post shows him posing with a flying saucer-like object off in the distance.

His second photo is a little clearer, showing the UFO placed high above the Earth and on its way toward the space station.

"Orbital debris seems to be on a course moving a bit faster than ISS," Hadfield wrote. "I'll try to take more pictures if it swings by."

And "take" more pictures he did. The Canadian astronaut posted a photo of the flying saucer off in the distance with the orbiting laboratory's robotic arm in the foreground four hours after his initial post.

"Wow, what a huge piece of debris! Maybe I can grab it with the Canadarm2…," Hadfield wrote.

Hadfield's grand finale showed the terrified looking commander holding a small green alien away from him with both hands.Quickly after that, Hadfield wrote: "The object appears to be coming closer to the Station. I think it might be trying to board us!"

"I don't know what it is or what it wants, but it keeps repeating 'Sloof Lirpa' over and over," Hadfield wrote. "Alert the press." ("Sloof Lirpa" is actually "April Fools" spelled backwards.)

Hadfield's followers were not so easily fooled. Many of his fans called the astronaut out on his April Fools' Day prank before it was even complete.

Canadian astronaut Chris Hadfield "spots" a UFO in the distance: "The view from where we fly the Canadarm2, with some orbital debris off in the distance," he wrote on Twitter. (Image credit: Canadian Space Agency/Chris Hadfield (Cmdr_Hadfield))

"Astronaut humour," Ivor Tossell (@ivortossell) replied.

"I didn't know they had Photoshop in space," Steve McPherson (@steventurous) wrote.

Other followers played along with Hadfield's joke.

"Quick someone give Canadarm2 a baseball bat #homerun," Pat Dunn (AstonPat) wrote.

Chris Hadfield is the first Canadian commander of the International Space Station and has made a point of using social media, photos, videos and even sound to chronicle the experience of life in space. The effort, according to Canadian press accounts, has catapulted him to celebrity status in Canada.

Hadfield leads the six-man Expedition 35 crew on the space station and is due to return to Earth in May. Two American astronauts and five Russian cosmonauts round out the crew.

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Miriam Kramer
Staff Writer

Miriam Kramer joined as a Staff Writer in December 2012. Since then, she has floated in weightlessness on a zero-gravity flight, felt the pull of 4-Gs in a trainer aircraft and watched rockets soar into space from Florida and Virginia. She also served as's lead space entertainment reporter, and enjoys all aspects of space news, astronomy and commercial spaceflight.  Miriam has also presented space stories during live interviews with Fox News and other TV and radio outlets. She originally hails from Knoxville, Tennessee where she and her family would take trips to dark spots on the outskirts of town to watch meteor showers every year. She loves to travel and one day hopes to see the northern lights in person. Miriam is currently a space reporter with Axios, writing the Axios Space newsletter. You can follow Miriam on Twitter.