Nasa is rushing to find a solution to prevent its first interstellar spacecraft from running out of power. Voyager 1, which ...

When a mysterious object from outside our solar system sweeps past Earth, scientists pay attention. In December 2025, astronomers did exactly that when 3I/ATLAS, only the third known interstellar ...

Astrophysicists are mapping a vast, hidden structure in space that appears to guide matter and radiation along a kind of interstellar highway stretching from our solar neighborhood to distant stars.

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 ...