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 ...

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

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019, Comet 2l/Borisov did the same thing. These are the only two confirmed ...

Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for ...

Sen's livestream of space offers the world’s first live Ultra High Definition views of Earth and is available for free on ...

Astronomers predict it will leave our solar system in Jan. 2019. Making its way into deep space toward the constellation Pegasus. It may be the first interstellar visitor, but the bigger question ...

The first known asteroid to visit our Solar System from interstellar space has been given a name. Scientists who have studied its speed and trajectory believe it originated in a planetary system ...

Conduct more detailed simulations to refine the characteristics of the interstellar object and its encounter with the solar system. Search for observational evidence of such past encounters in the ...

The problem, explained Hajduková's team, is that this imprecision can make meteors native to our solar system seem as though ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago. Its journey could have permanently altered the orbits of the outer planets.

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.