Comet 3I/ATLAS is expected to make its closest pass by the Sun on Oct. 30, when it will fly 130 million miles inside the ...

The Voyager spacecraft, Voyager 1 and 2, have traveled farther than any human-made objects in history, entering interstellar ...

Harvard astronomer Avi Loeb suggests that if interstellar object 3I/ATLAS isn't a comet, nor an asteroid, it may have been ...

SYFY ’s The Ark follows the crew of an interstellar spacecraft on a multi-light-year journey to the star next door. In the ...

The solar system has an uninvited guest that is currently shooting toward us on a one-way trip through our cosmic ...

NASA’s New Horizons probe, which hurtled past Pluto in 2015, demonstrates that it can sail through interstellar space using ...

The closest images ever taken of the Sun are proving to be a treasure trove for scientists. The newly released NASA images ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.