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

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 ...

This model reveals other intriguing features ... the structure and evolution of our galaxy and potentially others. The interstellar tunnel could provide insights into how matter and energy ...