A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...

"The implication of alien technology would be huge and therefore we must take it seriously,” Harvard's Avi Loeb told Newsweek ...

Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

This is only the third interstellar comet scientists have observed. Its extreme brightening, unusual composition, and intense ...

While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an ...

As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

Manhattan-sized comet 3I/ATLAS allegedly executed an unusual maneuver while approaching the Sun earlier this week, fueling ...

I/ATLAS was recorded by several objects as it made its close pass by the sun this week which resulted in the jarring measurements.

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

Interstellar comet 3I/ATLAS is briefly out of view as it travels around the sun this week, but researchers and amateur ...