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

The interstellar comet 3I/ATLAS, discovered by NASA, is set to make its closest approach to Earth tonight. Despite the buzz, it poses no threat to our planet.

Comet 3I/ATLAS, the rare interstellar object, makes its closest approach to Earth tonight, offering a unique chance to observe it. Learn the exact date, time, distance, and how to watch it both in the ...

While the comet will remain visible to telescopes for several months, tonight marks the moment it is nearest to Earth, making ...

I/ATLAS interstellar comet or alien spacecraft? NASA released new images of comet 3I/ATLAS after a rare flyby near Earth.

Interstellar comet 3I/ATLAS will make its closest approach to Earth early on Friday, Dec. 19. While it won't come close ...

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

Harvard Professor Avi Loeb has discussed 15 specific anomalies associated with 3I/ATLAS and highlighted the importance of ...

Scientists atop Mauna Kea on the Island of Hawaiʻi and across the Hawaiian chain are turning their telescopes skyward Friday ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday. New X-ray images could shed light on its ...

The Ursids peak Sunday night into Monday morning and will be visible until Dec. 26 from the Northern Hemisphere. Skygazers ...