A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

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 ...

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 scientific discovery that could transform the study of warp drive is now under wraps at the U.S. Defense Advanced Research ...

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

What’s more, Webb used its Near Infrared Camera (NIRCam) instrument to observe glowing interstellar gas and dust illuminated ...

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

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 ...

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.

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.