I expect interstellar objects to ... skimmed Earth on a so-called "Earth Close Approach" trajectory. The space agency's asteroid trackers said the space rock flew past our planet on April 13.

billions of years ago. According to a pre-print research paper, which is yet to be peer-reviewed, an object 8 times the mass of Jupiter—which itself is 318 times greater than Earth's mass—may ...

An interstellar visitor may have ... a mysterious object flew through our solar system about four billion years ago and swept the giant planets into new orbits. The researchers performed ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

Without any warning, a mysterious object flew past Earth ... an interstellar object up-close is uncertainty about where it'd come from, when it will appear, and how close to Earth it might get.

This encounter, occurring billions of years ago ... of the interstellar object and its encounter with the solar system. Search for observational evidence of such past encounters in the solar ...

On Feb. 3, an asteroid more than three times as long as it is wide safely flew past Earth at a distance ... "Of the 1,040 near-Earth objects observed by planetary radar to date, this is one ...

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 as the orbit of Mars.