I/ATLAS might only be the third interstellar object seen in our solar system. But it is not special in the sense that there are 10^{23}, or one hundred sextillion, such objects in the Milky Way alone.

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

One of the most striking features of 3I/ATLAS is its hyperbolic trajectory, which indicates that it is not gravitationally ...

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

A newly identified group of icy bodies in the Kuiper Belt has left astronomers both surprised and intrigued. Led by Amir ...

Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

Scientists have been cataloging comet 3I/ATLAS’s journey through the Solar System since July, tracking major milestones as ...

A group of Japanese astronomers using the Subaru telescope has discovered a small ice object beyond Pluto, which could help scientists learn more about the evolution of our solar system. In June 2024, ...

A diagram shows the trajectory of interstellar Comet 3I/ATLAS as it passes through the solar system. It will make its closest approach to the sun in October. Late in the evening on July 1, a telescope ...

The outer reaches of our Solar System continue to reveal a complex dynamical environment where the interplay of gravitational forces shapes the orbits of a myriad of distant bodies. Research in this ...