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 ...

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 ...

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 ...