However, a series of groundbreaking technologies are now knocking on the door of interstellar travel, injecting fiery hope ...

Astrophysicist David McComas is leading a new SpaceX mission to the point between Earth and the sun, where scientists hope to study the boundary of the heliosphere.

On July 1, astronomers spotted an unusual high-speed object zooming towards the sun. Dubbed 3I/ATLAS, the surprising space traveler had one very special quality: its orbit showed it had come from ...

At the edge of the heliosphere, the solar wind runs up against the interstellar medium, the gas, dust, and radiation in the ...

Interstellar objects like 3I/ATLAS that have been captured in planet-forming disks around young stars could become the seeds of giant planets, bypassing a hurdle that theoretical models have ...

A Harvard physicist who sounded the alarm earlier this month about a rare interstellar object passing through our solar system — suggesting it might be more than a comet — now says it could even be a ...

As the mysterious interstellar object known as 3I/ATLAS plummets through our Solar System, NASA’s good old Hubble Space Telescope has captured the best look yet at the interstellar visitor. On July 21 ...