Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

Australia aims for orbit with the Gilmour Eris rocket, while SpaceX launches Starlink and Kuiper satellites, and Europe ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

Researchers at Oxford have discovered that comet 3I/ATLAS may be over 7 billion years old, making it the oldest one we've ...

When most people think of our Solar System, they think of the 8 planets officially recognized by the International Astronomical Union (IAU). But what if I told you there are at least 40 planets, and ...