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

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

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 ...

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ...

Scientists suggest an interstellar visitor may have altered planetary orbits in our Solar System, reshaping trajectories of ...

Scientists are developing miniature lightsails that could travel at unprecedented speeds, potentially enabling interstellar ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

"Chemical rockets that we use today, even with the extra speed boost from flying by planets, or from swinging by the sun for ...

Achieving practical interstellar travel requires overcoming the immense challenge of reaching extraordinary velocities. To ...