The third known visitor from another star system, 3I/ATLAS, has already delivered on one of the biggest promises in modern ...

Harvard Professor Avi Loeb suggests the interstellar object 3I/ATLAS could be an alien probe. Explore the 'anti-tail' mystery ...

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could they hear us? A new study combining data from Penn State and NASA’s Jet ...

Mankind must decide how it’s going to deal with contact with extraterrestrials — and time could be running out, one expert warned — after he sounded the alarm that an incoming interstellar object ...

The cosmos is typically a predictable dance of gravity and orbits, but occasionally, a visitor crashes the party with such ...

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet hurtling towards Earth — but only if the scientists operating them act ...

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3I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some researchers suggest it could even be alien-made, drawing comparisons to probes ...

Alien probes could be hiding among us in plain sight as we search for them in the wrong places. This is the theory of professor Alex Ellery of Carleton University who argues that if self-replicating ...

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 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.