SpaceX's Starship megarocket could eventually live up to its bold name. "This Starship is designed to traverse our entire solar system and beyond to the cloud of objects surrounding us. A future ...

Astrophysicists are mapping a vast, hidden structure in space that appears to guide matter and radiation along a kind of ...

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

Breakthrough Listen searched for technosignatures from interstellar comet 3I/ATLAS but found no unusual signals or behavior ...

The 46-year-old probe, which flew by Jupiter and Saturn in its youth and inspired earthlings with images of the planet as a “Pale Blue Dot,” hasn’t sent usable data from interstellar space in months.

Update: Voyager is officially “the first human-made object to venture into interstellar space,” according to NASA. Even the spaciest of space nuts could be forgiven for being a little confused about ...