Interstellar visitors don’t have this problem because they were never part of the solar system’s plane to begin with.

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

NASA's Nancy Grace Roman Space Telescope is poised to discover approximately 100,000 exoplanets, significantly expanding our ...

Here’s what you’ll learn when you read this story: Every time an interstellar object comes whizzing into our Solar System, it brings with it a certain intrigue. Where is it from? How did it form? Why ...

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets. When you purchase through links on our site, we may earn an affiliate ...

Three researchers recently published a paper speculating about whether an object (likely a comet) could be "hostile" alien technology Scientists estimate the object to be more than 12-miles-wide, ...

The James Webb Space Telescope has captured a belching protostar in its infancy. By studying the dust grains whirling around it, astronomers hope to better understand how solar systems like our own ...