The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an ...

I admit it. I was utterly swept up by the 3I/Atlas mania earlier this fall.

Harvard scientist Avi Loeb claims the interstellar object 3I/ATLAS may be alien technology sent to seed life on Earth, sparking a debate with sceptics who insist it is merely a comet.

Did an alien spacecraft just fly by Earth? That’s the question a lot of people, including Harvard astrophysicist Avi Loeb, are asking right now. A massive interstellar object called ...

Atlas will race past Earth at 130,000mph, coming within 170 million miles, roughly twice as far away as the sun. Scientists ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

The question sounds ripped straight from a sci-fi blockbuster like Arrival or 2001: A Space Odyssey, yet it became a very real source of furious, months-long online debate. The cosmic object at the ...