A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.

A strange interstellar object is hurtling its way toward our pale blue dot — and according to a Harvard astronomer, there's a chance it's not a benign asteroid or comet, but instead some harmful form ...

In a new study, scientists take on the search for extraterrestrial intelligence (SETI) community — and determine that they may have a crisis of imagination. Speaking to Universe Today, Columbia ...

Teens running, police converging and a grey splotch that appears to be moving: Videos from an outdoor mall in Miami stoked wild claims this week on social media that aliens had landed on Earth. But ...

The newly discovered interstellar object 3I/ATLAS could be a piece of "possibly hostile" extraterrestrial technology in disguise, according to controversial research from a small group of scientists, ...

Some people will look at this thing and go: “It’s a comet.” Others will look at it and go: “It’s alien technology.” According to ScienceAlert, it was July 1 when astronomers clocked a strange, ...

Instead of some far-off galaxy, a new paper suggests extraterrestrial life might come from underground. The piece, written by researchers from Harvard and Montana Technological University, suggests ...

Alien: Romulus—the latest film in the iconic Alien movie scenes—is done playing in theaters after a successful box office run. Directed by Fede Alvarez and produced by Scott, Alien: Romulus follows a ...

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To explore the galaxy and hunt for resources, intelligent aliens might need to turn their home stars into natural spaceships, a new paper suggests. A few known star systems might fit the bill. An ...