New images of the strange interstellar visitor 3I/ATLAS may provide the strongest proof yet that it is not a comet.

The early modern physicist Isaac Newton had presumed an unperceived yet real flow of time. To Newton, time is a dynamic ...

Interstellar comet 3I/ATLAS has reached its closest approach to the Sun, a critical moment for astronomers to observe its behavior. While expected to break up, its trajectory and composition are being ...

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

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since ...

Learn what a black hole is, how it forms, and how astronomers detect it. Understand the science behind black holes and their ...

Interstellar comet 3I/ATLAS is losing an insane amount of mass after making its closest pass of the sun last month — a ...

The object, initially thought to be a meteorite, could actually be Zond 1, a Soviet spacecraft that was destined for Venus 60 ...

Speaking in an article posted last week, the physics expert said that the best image of the object was 'never released' by ...

Interstellar object 3I/ATLAS is reaching its closest point to the Sun, a rare perihelion event triggering significant ...

I/ATLAS recently passed its closest point to the sun. Because of its unusual behavior, some scientists are wondering if it's ...

Harvard physicist Avi Loeb has drawn attention for his take on the interstellar object 3I/ATLAS, which was officially observed on July 1, 2025. According to NASA, “comet” 3I/ATLAS is the “third known ...