An unidentified interstellar object, possibly eight times Jupiter’s mass, may have disrupted the solar system’s planets.

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Scientists suggest an interstellar visitor may have altered planetary orbits in our Solar System, reshaping trajectories of ...

A new study, currently under review for publication, suggests that an ancient cosmic visitor might have significantly altered the orbits of our solar system's giant planets. Scientists propose that ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

Interstellar objects, such as the well-known ‘Oumuamua and 2I/Borisov, have opened a new frontier in our understanding of the cosmos. These objects, which originate from outside our solar system ...

Research indicates an interstellar object might have altered the orbits of Jupiter, Saturn, Uranus, and Neptune billions of years ago ...

A close encounter with a mysterious interstellar object could explain the current orbits of several of Earth’s largest ...

A new study suggests that a close encounter with a massive interstellar object, possibly eight times the mass of Jupiter, may have significantly altered the orbits of the four outer planets in our ...