Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...

Last fall, the scientific community went into a minor frenzy. A hunk of interstellar material had been sucked into the ...

"These two supernova remnants are helping us to better understand the dynamics of our home galaxy’s neighborhood," ...

The objects were in the same region of the sky but were 13,000 light-years apart and not related to each other. The details ...

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 ...

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha Centauri's location and path are shown by a yellow star and a solid blue line ...

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.

The nature of these objects remains a mystery, but their features could suggest a new type of interstellar body, the researchers note. The study describes that both objects exhibit an extremely ...

"The lightsail will travel faster than any previous spacecraft, with potential to eventually open interstellar distances to ...

Theorbits of Jupiter, Saturn, Uranus and Neptune may have been altered by the fly-by of an enormous object from deep space, billions of years ago. According to a pre-print research paper ...

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 ...