NASA has responded to speculation that mysterious interstellar object 3I/ATLAS is actually an alien starship preparing to invade Earth.

A Harvard professor has suggested that a strange interstellar object hurtling towards Earth could have been sent by aliens to test our intelligence - and we should intercept it ...

I/ATLAS interstellar object will pass the Sun on October 30, 2025. Experts including Rep. Anna Paulina Luna and Harvard ...

NASA has thrown cold water on Harvard astrophysicist Avi Loeb's theory that interstellar visitor 3I/ATLAS was sent to us by ...

As interstellar object 3I/ATLAS approaches its closest point to the Sun next month, the mysterious visitor continues to ...

An asteroid the size of a skyscraper is approaching Earth at a sprightly 24,136 miles per hour—and will be at its closest to us in two days' time. The space rock—dubbed "2025 FA22"—is a sizeable 520 ...

Astronomers around the globe are closely tracking a rare interstellar visitor: object 3I/ATLAS. First spotted in early July ...

Earlier this year, astronomers spotted a mysterious interstellar visitor, widely believed to be a comet, screaming into our solar system. With the help of NASA's James Webb Space Telescope, ...

"At the moment, Punctum truly stands apart — it doesn't fit comfortably into any known category," said Shablovinskaia. "And honestly, nothing like this has appeared in any previous millimeter surveys, ...

Astronomers using the Webb Telescope may have found a new type of object: cold, glowing black hole stars from the early ...