I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

A new interstellar object has been spotted careening into the solar system at an extremely unusual trajectory.

Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.

Astronomers confirm the discovery of 3I/ATLAS, a rare interstellar object passing through our Solar System. The comet poses no threat to Earth and is under close observation.

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

The comet broke into 21 fragments, which continued to orbit around Jupiter. It was discovered the following year by Carolyn and Eugene M. Shoemaker, and David Levy and was the first comet ever ...

A potential interstellar interloper is currently zooming toward the Sun. Its strange approach angle suggests it may have come ...

A comet like the fictional Jesper is what’s known as a Jupiter family comet, so named because they have orbits which extend roughly to the orbit of Jupiter. Most comets , however, are more distant.

Image of comet P/Shoemaker-Levy 9 taken in red light on a collision course with Jupiter. Its train of 21 icy fragments stretched across 710 thousand miles (1.1 million km) of space, or 3 times the ...

Jupiter-family comets, named for their gravitational ties to Jupiter, are icy relics of the Kuiper Belt, a region beyond Neptune. These short-period comets, with orbits lasting less than 20 years, ...