Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

Is 3I/Atlas an interstellar alien vessel or simply an intriguing, unique rock hurling through the cosmos? That debate has been raging ever since the comet, only the third known interstellar object to ...

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.

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens -- with screensavers.

Anytime a new object is spotted in the sky, it sparks excitement for astronomers. When it is determined that the object is entering our solar system from interstellar space, it is exciting for ...

It flew too close to the Sun. Manhattan-sized comet 3I/ATLAS allegedly executed an unusual maneuver while approaching the Sun earlier this week, fueling theories that it could be an extraterrestrial ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

On November 1 st, the New York Post wrote “The Manhattan-sized interstellar object 3I/ATLAS exhibited signs of non-gravitational acceleration and appeared bluer than the Sun as it passed our local ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

Remember that guy who recently said a strange comet currently transiting our solar system is in fact an alien spacecraft that could attack Earth this fall? Well, this story is not about him, but about ...

A mysterious object spotted floating through our solar system last year might be an alien spacecraft that was investigating Earth, according to Harvard astronomers. The astronomers suggested the ...