Aliens

Aliens can refer to everything from little green men in the sci-fi realm to microscopic life forms beyond Earth. For all these possibilities, Live Science has you covered. We break down the latest discoveries that hint at life on other planets and the state of scientific searches for such extraterrestrial life. Sometimes, we may dissect a "little green man" sighting as well.

Related Topics: Planets, Robots, Astronauts, Paranormal

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Why We Might Miss Extraterrestrial Life Even If It's Staring Us in the Face

April 15, 2018 | Article

Researchers use a cosmic gorilla to uncover the dangers of inattention in the search for alien life.
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The Story Claiming Buzz Aldrin Saw Aliens in Space Is Utter Nonsense

April 09, 2018 | Article

A viral story claims Buzz Aldrin passed a lie-detector test proving he saw a UFO in space. This is complete nonsense.
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Weirdly Dimmable 'Alien Megastar' Darkens Again

March 26, 2018 | Article

One of the biggest dips in the brightness of Tabby's star points to a possible source for its dusty light-blocker.
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No, It's Not an Alien — Here's What That Tiny, Pointy-Headed Skeleton Really Is

March 22, 2018 | Article

Scientists have decoded a genetic explanation for an "alien" skeleton.
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This Weird Google Earth Picture Does Not Show a Crashed UFO

March 05, 2018 | Article

A popular YouTube channel is trying to convince viewers that photos of an avalanche on an island near Antarctica depict an alien spaceship crash site.
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Humans Will Hear from Intelligent Aliens This Century, Physicist Says

February 26, 2018 | Article

Michio Kaku tells Redditors his predictions about intelligent aliens.
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Bits of Famous, Lost (and Fake) 'Flying Saucer' Turn Up in British Science Museum

February 16, 2018 | Article

The flying saucer's copper bottom was covered in hieroglyphics, very much like the saucer discovered in Roswell, New Mexico.
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Our Universe Isn't As Special As We'd Like to Believe

February 12, 2018 | Article

A new paper shows that even a universe with wildly altered physical laws might produce life.
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Astronomers Detect a Swarm of Tiny Objects Orbiting an Alien Sun

February 05, 2018 | Article

These dusty comets, speeding through distance space, are the smallest objects ever detected in another star system.
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Alien Life Hunt: Oxygen Isn't the Only Possible Sign of Life

January 27, 2018 | Article

Alien-life hunters shouldn't focus too narrowly on oxygen when scanning the atmospheres of exoplanets, a new study stresses.
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