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

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 ...

Study reveals an interstellar object's impact on planetary orbits, reshaping solar system dynamics. Discover how simulations ...

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

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

Edge of tomorrow starring Tom Cruise was released in 2014, it is a story of a major who was trapped in a time loop to save ...

While an antimatter engine is very far off, researching it could yield other discoveries as well.

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.